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酬勞10元,誰會(huì)做下面的課后習(xí)題:試設(shè)計(jì)一帶式運(yùn)輸機(jī)的減速器高速級(jí)齒輪傳動(dòng)。 |
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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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