1353| 4
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變位齒輪變位系數怎么選 |
點評
人家的變位不好測,怕有問題,新做兩個,變位系數自己定呀。
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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