3148| 4
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計(jì)算后模數(shù)確定不下來,,懷疑是變位齒輪 |
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小黑屋|手機(jī)版|Archiver|機(jī)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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