短語詞組短語v belt -transmission v帶傳動(dòng)belt conveyor transmission 帶式輸送機(jī)傳動(dòng)belt conveyer transmission agent 帶式輸送機(jī)傳動(dòng)belt conveyer transmission 帶式輸送機(jī)傳動(dòng)the v belt -transmission v帶傳動(dòng)v -belt-transmission 帶傳動(dòng)belt transmission system 皮帶傳輸系統(tǒng)flat -belt transmission 平帶傳動(dòng)sychronous belt transmission 同步帶傳動(dòng) 返回 belt transmission