4238| 10
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求助兩道機械傳動題的答案 |
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點評
蝸輪不可能傳動蝸桿的,,一來會自鎖二來這是加速而不是減速了
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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(wǎng)安備33038202004372號 )
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