⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 多层板孔金属化工艺探讨.mht

📁 pcb设计资料初学者难得的入门资料包含工厂制作过程
💻 MHT
📖 第 1 页 / 共 4 页
字号:
From: <由 Microsoft Internet Explorer 5 保存>
Subject: =?gb2312?B?tuCy47Dlv9e98Mr0u6+5pNLVzL3M1g==?=
Date: Sun, 4 Dec 2005 10:29:32 +0800
MIME-Version: 1.0
Content-Type: text/html;
	charset="gb2312"
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.maihui.net/pcbmake/pcb0038.htm
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>=B6=E0=B2=E3=B0=E5=BF=D7=BD=F0=CA=F4=BB=AF=B9=A4=D2=D5=
=CC=BD=CC=D6</TITLE>
<META http-equiv=3DContent-Type content=3D"text/html; charset=3Dgb2312">
<META content=3D"MSHTML 6.00.2800.1106" name=3DGENERATOR></HEAD>
<BODY>
<P class=3DMsoNormal align=3Dcenter><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#ff0000 =
size=3D3><B>=A1=BE=B6=E0=B2=E3=B0=E5=BF=D7=BD=F0=CA=F4=BB=AF=B9=A4=D2=D5=CC=
=BD=CC=D6=A1=BF</B></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080 =
size=3D2>=B1=BE=CE=C4=D6=F7=D2=AA=C2=DB=CA=F6=C1=CB=B6=E0=B2=E3=B0=E5=B5=C4=
=C8=A5=D7=EA=CE=DB=BA=CD=B3=C1=CD=AD=B9=A4=D2=D5=A3=AC=C6=CA=CE=F6=C1=CB=B8=
=F7=B9=A4=B2=BD=B5=C4=D4=AD=C0=ED=BC=B0=D7=F7=D3=C3=A1=A3</FONT></SPAN></=
P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080 =
size=3D2><B>=D2=BB=A1=A2=C7=B0=D1=D4</B></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080=20
size=3D2>=A1=A1=A1=A1=D6=DA=CB=F9=D6=DC=D6=AA=A3=AC=BF=D7=BD=F0=CA=F4=BB=AF=
=CA=C7=B6=E0=B2=E3=B0=E5=C9=FA=B2=FA=B9=FD=B3=CC=D6=D0=D7=EE=B9=D8=BC=FC=B5=
=C4=BB=B7=BD=DA=A3=AC=CB=FD=B9=D8=CF=B5=B5=BD=B6=E0=B2=E3=B0=E5=C4=DA=D4=DA=
=D6=CA=C1=BF=B5=C4=BA=C3=BB=B5=A1=A3=BF=D7=BD=F0=CA=F4=BB=AF=B9=FD=B3=CC=D3=
=D6=B7=D6=CE=AA=C8=A5=D7=EA=CE=DB=BA=CD=BB=AF=D1=A7=B3=C1=CD=AD=C1=BD=B8=F6=
=B9=FD=B3=CC=A1=A3=BB=AF=D1=A7=B3=C1=CD=AD=CA=C7=B6=D4=C4=DA=CD=E2=B2=E3=B5=
=E7=C2=B7=BB=A5=C1=AC=B5=C4=B9=FD=B3=CC=A3=BB=C8=A5=D7=EA=CE=DB=B5=C4=D7=F7=
=D3=C3=CA=C7=C8=A5=B3=FD=B8=DF=CB=D9=D7=EA=BF=D7=B9=FD=B3=CC=D6=D0=D2=F2=B8=
=DF=CE=C2=B6=F8=B2=FA=C9=FA=B5=C4=BB=B7=D1=F5=CA=F7=D6=AC=D7=EA=CE=DB=A3=A8=
=CC=D8=B1=F0=D4=DA=CD=AD=BB=B7=C9=CF=B5=C4=D7=EA=CE=DB=A3=A9=A3=AC=B1=A3=D6=
=A4=BB=AF=D1=A7=B3=C1=CD=AD=BA=F3=B5=E7=C2=B7=C1=AC=BD=D3=B5=C4=B8=DF=B6=C8=
=BF=C9=BF=BF=D0=D4=A1=A3</FONT></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080 =
size=3D2><B>=B6=FE=A1=A2=BF=D7=BD=F0=CA=F4=BB=AF</B></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080=20
size=3D2>=A1=A1=A1=A1=B6=E0=B2=E3=B0=E5=B9=A4=D2=D5=B7=D6=B0=BC=CA=B4=B9=A4=
=D2=D5=BA=CD=B7=C7=B0=BC=CA=B4=B9=A4=D2=D5=A1=A3=B0=BC=CA=B4=B9=A4=D2=D5=CD=
=AC=CA=B1=D2=AA=C8=A5=B3=FD=BB=B7=D1=F5=CA=F7=D6=AC=BA=CD=B2=A3=C1=A7=CF=CB=
=CE=AC=A3=AC=D0=CE=B3=C9=BF=C9=BF=BF=B5=C4=C8=FD=CE=AC=BD=E1=BA=CF=A3=BB=B7=
=C7=B0=BC=CA=B4=B9=A4=D2=D5=BD=F6=BD=F6=C8=A5=B3=FD=D7=EA=BF=D7=B9=FD=B3=CC=
=D6=D0=CD=D1=C2=E4=BA=CD=C6=FB=BB=AF=B5=C4=BB=B7=D1=F5=D7=EA=CE=DB=A3=AC=B5=
=C3=B5=BD=B8=C9=BE=BB=B5=C4=BF=D7=B1=DA=A3=AC=D0=CE=B3=C9=B6=FE=CE=AC=BD=E1=
=BA=CF=A3=AC=B5=A5=B4=D3=C0=ED=C2=DB=C9=CF=BD=B2=A3=AC=C8=FD=CE=AC=BD=E1=BA=
=CF=D2=AA=B1=C8=B6=FE=CE=AC=BD=E1=BA=CF=BF=C9=BF=BF=D0=D4=B8=DF=A3=AC=B5=AB=
=CD=A8=B9=FD=CC=E1=B8=DF=BB=AF=D1=A7=B3=C1=CD=AD=B2=E3=B5=C4=D6=C2=C3=DC=D0=
=D4=BA=CD=D1=D3=D5=B9=D0=D4=A3=AC=CD=EA=C8=AB=BF=C9=D2=D4=B4=EF=B5=BD=CF=E0=
=D3=A6=B5=C4=BC=BC=CA=F5=D2=AA=C7=F3=A1=A3=B7=C7=B0=BC=CA=B4=B9=A4=D2=D5=BC=
=F2=B5=A5=A1=A2=BF=C9=BF=BF=A3=AC=B2=A2=D2=D1=CA=AE=B7=D6=B3=C9=CA=EC=A3=AC=
=D2=F2=B4=CB=D4=DA=B4=F3=B6=E0=CA=FD=B3=A7=BC=D2=B5=C3=B5=BD=B9=E3=B7=BA=D3=
=A6=D3=C3=A1=A3=B8=DF=C3=CC=CB=E1=BC=D8=C8=A5=D7=EA=CE=DB=CA=C7=B5=E4=D0=CD=
=B5=C4=B7=C7=B0=BC=CA=B4=B9=A4=D2=D5=A1=A3</FONT></SPAN></P>
<P class=3DMsoNormal><FONT color=3D#000080 size=3D2><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New =
Roman'"><B>=B9=A4=D2=D5=C1=F7=B3=CC</B></SPAN></FONT></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'">=A1=A1<B>=A1=A1<FONT=20
color=3D#000080=20
size=3D2>=BB=B7=D1=F5=C8=DC=D5=CD=A1=FA=B6=FE=BC=B6=C4=E6=C1=F7=C6=AF=CF=B4=
=A1=FA=B8=DF=C3=CC=CB=E1=BC=D8=C8=A5=D7=EA=CE=DB=A1=FA=B6=FE=BC=B6=C4=E6=C1=
=F7=C6=AF=CF=B4=A1=FA=D6=D0=BA=CD=BB=B9=D4=AD=A1=FA=B6=FE=BC=B6=C4=E6=C1=F7=
=C6=AF=CF=B4=A1=FA=B5=F7=D5=FB=A1=FA=B6=FE=BC=B6=C4=E6=C1=F7=C6=AF=CF=B4=A1=
=FA=B4=D6=BB=AF=A1=FA=B6=FE=BC=B6=C4=E6=C1=F7=C6=AF=CF=B4=A1=FA=D4=A4=BD=FE=
=A1=FA=C0=EB=D7=D3=EE=D9=BB=EE=BB=AF=A1=FA=B6=FE=BC=B6=C4=E6=C1=F7=C6=AF=CF=
=B4=A1=FA=BB=B9=D4=AD=A1=FA=CB=AE=CF=B4=A1=FA=BB=AF=D1=A7=B3=C1=CD=AD=A1=FA=
=B6=FE=BC=B6=C4=E6=C1=F7=C6=AF=CF=B4=A1=FA=D4=A4=BD=FE=CB=E1=A1=FA=D4=A4=B6=
=C6=CD=AD</FONT></B></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080 =
size=3D2><B>=B9=A4=D2=D5=D4=AD=C0=ED=BC=B0=BF=D8=D6=C6</B></FONT></SPAN><=
/P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><B><FONT=20
color=3D#000080 size=3D3>=C8=DC=D5=CD</FONT></B></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080 =
size=3D2>=C4=BF=B5=C4=A3=BA=C8=DC=D5=CD=BB=B7=D1=F5=CA=F7=D6=AC=A3=AC=CA=B9=
=C6=E4=C8=ED=BB=AF=A3=AC=CE=AA=B8=DF=C3=CC=CB=E1=BC=D8=C8=A5=D7=EA=CE=DB=D7=
=F7=D7=BC=B1=B8=A1=A3</FONT></SPAN></P>
<P class=3DMsoNormal align=3Dcenter><FONT color=3D#000080 size=3D2><SPAN =

style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New =
Roman'"><B>=C5=E4=B7=BD</B></SPAN></FONT></P>
<DIV align=3Dcenter>
<CENTER>
<TABLE borderColor=3D#000000 cellSpacing=3D0 cellPadding=3D0 =
width=3D"86%" border=3D1>
  <TBODY>
  <TR>
    <TD align=3Dmiddle width=3D"31%"><SPAN lang=3DEN-US><FONT =
color=3D#000080=20
      size=3D2>=C3=FB=B3=C6</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"25%"><SPAN lang=3DEN-US><FONT =
color=3D#000080=20
      size=3D2>=C5=E4=B1=C8</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"23%"><SPAN lang=3DEN-US><FONT =
color=3D#000080=20
      size=3D2>=CE=C2=B6=C8</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"21%"><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
      color=3D#000080 =
size=3D2>=CA=B1=BC=E4=A1=A1</FONT></SPAN></TD></TR>
  <TR>
    <TD align=3Dmiddle width=3D"31%"><SPAN lang=3DEN-US><FONT =
color=3D#000080=20
      size=3D2>NaOH</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"25%"><SPAN lang=3DEN-US><FONT =
color=3D#000080=20
      size=3D2>20g/l</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"23%" rowSpan=3D4><SPAN =
lang=3DEN-US><FONT=20
      color=3D#000080 size=3D2>60-80</FONT></SPAN><FONT color=3D#000080 =
size=3D2><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New =
Roman'">=A1=E6</SPAN></FONT></TD>
    <TD align=3Dmiddle width=3D"21%" rowSpan=3D4><SPAN =
lang=3DEN-US><FONT=20
      color=3D#000080 size=3D2>5min</FONT></SPAN></TD></TR>
  <TR>
    <TD align=3Dmiddle width=3D"31%"><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
      color=3D#000080 =
size=3D2>=D2=D1=B6=FE=B4=BC=D2=D2=C3=D1</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"25%"><SPAN lang=3DEN-US><FONT =
color=3D#000080=20
      size=3D2>30g/l</FONT></SPAN></TD></TR>
  <TR>
    <TD align=3Dmiddle width=3D"31%"><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
      color=3D#000080 size=3D2>=D2=D1=B6=FE=B4=BC</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"25%"><SPAN lang=3DEN-US><FONT =
color=3D#000080=20
      size=3D2>2g/l</FONT></SPAN></TD></TR>
  <TR>
    <TD align=3Dmiddle width=3D"31%"><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
      color=3D#000080 size=3D2>=CB=AE=A1=A1=A1=A1</FONT></SPAN></TD>
    <TD align=3Dmiddle width=3D"25%"><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
      color=3D#000080 =
size=3D2>=C6=E4=D3=E0</FONT></SPAN></TD></TR></TBODY></TABLE></CENTER></D=
IV>
<P class=3DMsoNormal><FONT color=3D#000080 size=3D2><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New =
Roman'">=BB=B7=D1=F5=CA=F7=D6=AC=CA=C7=B8=DF=BE=DB=D0=CE=BB=AF=BA=CF=CE=EF=
=A3=AC=BE=DF=D3=D0=D3=C5=C1=BC=B5=C4=C4=CD=CA=B4=D0=D4=A1=A3=C6=E4=B8=AF=CA=
=B4=D0=CE=CA=BD=D6=F7=D2=AA=D3=D0=C8=DC=BD=E2=A1=A2=C8=DC=D5=CD=BA=CD=BB=AF=
=D1=A7=C1=D1=BD=E2=A3=A8=C8=E7=A3=BA=C5=A8=C1=F2=CB=E1=B6=D4=BB=B7=D1=F5=CA=
=F7=D6=AC=D6=F7=D2=AA=CA=C7=C8=DC=BD=E2=D7=F7=D3=C3=A3=AC=C6=E4=B0=BC=CA=B4=
=D7=F7=D3=C3=CA=C7=CA=AE=B7=D6=C3=F7=CF=D4=B5=C4=A3=A9=A1=A3=B8=F9=BE=DD=A1=
=B0=CF=E0=CB=C6=CF=E0=C8=DC=A1=B1=B5=C4=BE=AD=D1=E9=B9=E6=C2=C9=A3=AC=C3=D1=
=C0=E0=D3=D0=BB=FA=CE=EF=D2=BB=B0=E3=BC=AB=D0=D4=BD=CF=C8=F5=A3=AC=C7=D2=D3=
=D0=D3=EB=BB=B7=D1=F5=CA=F7=D6=AC=D3=D0=CF=E0=CB=C6=B5=C4=B7=D6=D7=D3=BD=E1=
=B9=B9=A3=A8</SPAN><SPAN=20
lang=3DEN-US>R-O-R'</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New =
Roman'">=A3=A9=A3=AC=CB=F9=D2=D4=B6=D4=BB=B7=D1=F5=CA=F7=D6=AC=D3=D0=D2=BB=
=B6=A8=B5=C4=C8=DC=BD=E2=D0=D4=A1=A3=D2=F2=CE=AA=C3=D1=C4=DC=D3=EB=CB=AE=B7=
=A2=C9=FA=C7=E2=BC=FC=B5=DE=BA=CF=A3=AC=CB=F9=D2=D4=D4=DA=CB=AE=D6=D0=D3=D0=
=D2=BB=B6=A8=B5=C4=C8=DC=BD=E2=D0=D4=A1=A3=D2=F2=B4=CB=A3=AC=B3=A3=D3=C3=CB=
=AE=C8=DC=D0=D4=B5=C4=C3=D1=C0=E0=D3=D0=BB=FA=CE=EF=D7=F7=CE=AA=C8=A5=D7=EA=
=CE=DB=B5=C4=C8=DC=D5=CD=BC=C1=A1=A3=C8=DC=D5=CD=D2=BA=D6=D0=B5=C4=C7=E2=D1=
=F5=BB=AF=C4=C6=BA=AC=C1=BF=B2=BB=C4=DC=CC=AB=B8=DF=A3=AC=B7=F1=D4=F2=A3=AC=
=BB=E1=C6=C6=BB=B5=C7=E2=BC=FC=B5=DE=BA=CF=A3=AC=CA=B9=D3=D0=BB=FA=C1=B4=CF=
=E0=B7=D6=C0=EB=A1=A3=D4=DA=C9=FA=B2=FA=D6=D0=A3=AC=B3=A3=D3=C3=B4=CB=D6=D0=
=B7=BD=B7=A8=C0=B4=B7=D6=CE=F6=C8=DC=D5=CD=BC=C1=B5=C4=BA=AC=C1=BF=A1=A3<=
/SPAN></FONT></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><B><FONT=20
color=3D#000080 size=3D3>=C8=A5=D7=EA=CE=DB</FONT></B></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080 =
size=3D2>=C4=BF=B5=C4=A3=BA=C0=FB=D3=C3=B8=DF=C3=CC=CB=E1=BC=D8=B5=C4=C7=BF=
=D1=F5=BB=AF=D0=D4=A3=AC=CA=B9=C8=DC=D5=CD=C8=ED=BB=AF=B5=C4=BB=B7=D1=F5=CA=
=F7=D6=AC=D7=EA=CE=DB=D1=F5=BB=AF=C1=D1=BD=E2=A1=A3</FONT></SPAN></P>
<P class=3DMsoNormal align=3Dcenter><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times New =
Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
color=3D#000080 size=3D2><B>=C5=E4=B7=BD</B></FONT></SPAN></P>
<DIV align=3Dcenter>
<CENTER>
<TABLE borderColor=3D#000000 cellSpacing=3D0 cellPadding=3D0 =
width=3D"86%" border=3D1>
  <TBODY>
  <TR>
    <TD align=3Dmiddle width=3D"31%">
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>=C3=FB=B3=C6</FONT></SPAN></P></TD>
    <TD align=3Dmiddle width=3D"25%">
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>=C5=E4=B1=C8</FONT></SPAN></P></TD>
    <TD align=3Dmiddle width=3D"23%">
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>=CE=C2=B6=C8</FONT></SPAN></P></TD>
    <TD align=3Dmiddle width=3D"21%">
      <P align=3Dcenter><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT=20
      color=3D#000080 =
size=3D2>=CA=B1=BC=E4=A1=A1</FONT></SPAN></P></TD></TR>
  <TR>
    <TD align=3Dmiddle width=3D"31%">
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>NaOH</FONT></SPAN></P></TD>
    <TD align=3Dmiddle width=3D"25%">
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>35g/l</FONT></SPAN></P></TD>
    <TD align=3Dmiddle width=3D"23%" rowSpan=3D4>
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>75</FONT></SPAN><FONT color=3D#000080 size=3D2><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New =
Roman'">=A1=E6</SPAN></FONT></P></TD>
    <TD align=3Dmiddle width=3D"21%" rowSpan=3D4>
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>10min</FONT></SPAN></P></TD></TR>
  <TR>
    <TD align=3Dmiddle width=3D"31%">
      <P align=3Dcenter><FONT color=3D#000080 size=3D2><SPAN=20
      lang=3DEN-US>KMnO4</SPAN><SPAN=20
      style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-ascii-font-family: 'Times =
New Roman'; mso-hansi-font-family: 'Times New =
Roman'">=A1=A1</SPAN></FONT></P></TD>
    <TD align=3Dmiddle width=3D"25%">
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20
      size=3D2>&nbsp;55g/l</FONT></SPAN></P></TD></TR>
  <TR>
    <TD align=3Dmiddle width=3D"31%">
      <P align=3Dcenter><SPAN lang=3DEN-US><FONT color=3D#000080=20

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -