1840| 5
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不銹鋼材料的熱處理+特殊處理 |
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點(diǎn)評(píng)
螺旋傳動(dòng),螺牙受扭矩/推力,螺牙面有一定壓力,鍍硬鉻會(huì)不會(huì)有問(wèn)題?
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Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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