5874| 20
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對(duì)于蝸輪蝸桿驅(qū)動(dòng)的電梯,為什么還要增加摩擦制動(dòng)器,,依靠蝸輪蝸桿自鎖來(lái)制動(dòng)不行嗎,? |
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點(diǎn)評(píng)
這我說(shuō)不上來(lái),,我們有個(gè)設(shè)備用蝸輪減速機(jī)做行走用的,,就有過停機(jī)還會(huì)溜車的。
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