短語詞組短語engine oil pump manifold 發(fā)動機(jī)機(jī)油泵總管oil drain manifold 放油集管hoist oil lines manifold group 起重油管總管組件pilot oil manifold 先導(dǎo)油總管pilot oil manifold compartment 先導(dǎo)油總管腔室oil manifold pressure 油岐管壓力left oil manifold 左側(cè)潤滑油總管return oil manifold 回油岐管oil manifold plug 油岐管塞 返回 oil manifold