短語詞組短語engine oil pump manifold 發(fā)動機機油泵縂琯oil drain manifold 放油集琯hoist oil lines manifold group 起重油琯縂琯組件pilot oil manifold 先導油縂琯pilot oil manifold compartment 先導油縂琯腔室oil manifold pressure 油岐琯壓力left oil manifold 左側(cè)潤滑油縂琯return oil manifold 廻油岐琯oil manifold plug 油岐琯塞 返回 oil manifold