1654| 5
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不銹鋼材料的熱處理+特殊處理 |
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點評
螺旋傳動,,螺牙受扭矩/推力,螺牙面有一定壓力,,鍍硬鉻會不會有問題,?
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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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