基本解釋直角回轉(zhuǎn)傳動(dòng)詞組短語(yǔ)短語(yǔ)belt quarter -turn drive 皮帶直角轉(zhuǎn)彎傳動(dòng)quarter-turn drive更多詞組專業(yè)釋義機(jī)械工程皮帶直角轉(zhuǎn)彎傳動(dòng)