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我想在直徑為260的圓上布置9個(gè)直徑26的孔---請(qǐng)教 |
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點(diǎn)評(píng)
檢測(cè)不便。什么檢測(cè)方便,?形狀公差檢測(cè)方便,?可能你自己不想標(biāo)吧。
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