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八、削出颈口( Nec
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一、钻孔( Hole)
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一、进入Sketche
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四、修改尺寸(Modi
www.eeworm.com/read/105668/15661625
二、细部放大图
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五.开沟槽
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一、启动Pro-Eng
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一、剖视图
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About thi
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二、视窗说明