2913| 2
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幫忙看下這兩直齒斜齒輪的變位系數(shù)是否會有根切,、頂切,?謝謝,! |
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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,浙公網安備33038202004372號 )
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