短語(yǔ)詞組短語(yǔ)main machinery movement 主運(yùn)動(dòng)main &movement 主運(yùn)動(dòng)direction of main movement 主運(yùn)動(dòng)方曏;主運(yùn)動(dòng)標(biāo)的目的;主活動(dòng)方曏;主行動(dòng)方曏main lines of movement 運(yùn)動(dòng)的中心線rotating main movement 廻轉(zhuǎn)主運(yùn)動(dòng)main movement speed change 主運(yùn)動(dòng)變速circular main movement 主廻轉(zhuǎn)運(yùn)動(dòng)straight main movement 直線主運(yùn)動(dòng)main support for movement 機(jī)心主支架 返回 main movement