1970| 18
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軸承座凹槽 |
評(píng)分
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點(diǎn)評(píng)
都要有的,但是有的圖不是那么規(guī)范,或者作圖者沒(méi)有想到。有時(shí)候凹面倒角大一點(diǎn),也能避免沒(méi)有清根造成的弊端
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