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鏈條傳動 如果連接兩頭的鏈輪一樣大, 是不是比較容易拖鏈 |
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點評
拉斷了?彎曲變形是怎么變的?麻煩仔細描述一下
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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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