7646| 10
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簡易千斤頂?shù)闹谱?/span> |
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點評
由人力通過螺旋副傳動,,螺桿作為頂舉件,。
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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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