常見例句雙語例句This type automatically lubricates to the necessary point interval and discharge volume by digital controller in pump.此型自動潤滑，以必要的點(diǎn)區(qū)間和排放量，由數(shù)字控制器在泵。www.ex-alarm.comAbout the calculation on the discharge head provided to gas by pump, the paper presents three kinds of calculation methods, analyzes and compares the case calculation results.在計(jì)算泵提供給氣體的揚(yáng)程時給出了三種算法，并對實(shí)例計(jì)算結(jié)果進(jìn)行了分析比較。By installing a by-pass from the pump discharge back to the suction line.在泵的出口和入口管線間安裝旁通管線。www.infopetro.com.cn 返回 discharge by pump