📄 7.18 图7-62 秒、分计时器电路.ewb
字号:
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e6658aa
⌨️ 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 + -