3569| 9
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請教齒輪斷面不同的原因 |
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點評
大俠,,請問,,疲勞斷裂和脆斷怎么區(qū)分呢?疲勞斷裂很光滑,,脆斷很粗糙,?
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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