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正在國產化一套德國設備,大家一起來探討 |
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點評
鏈條有接頭,我看兩種結構換鏈條差不多呀
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點評
是減少了一根軸
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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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