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同功率的電機(jī)用齒輪傳動(dòng)力大還是皮帶傳動(dòng)力大? |
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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