pump priming

同根派生

At mine pump stations where compressed-air pipeline is available, the exhauster is an economical and serviceable means for pump priming.
對(duì)壓縮空氣管路條件方便的礦山排水泵站,是解決水泵啟動(dòng)前注水問(wèn)題的一個(gè)經(jīng)濟(jì)易行的方法。
He is the prime mover in the whole matter.
他是整個(gè)事件的發(fā)起者。
Mr. Heath is the former Prime Minister of Britain.
希思先生是英國(guó)前任首相。
She takes off the Prime Minister to perfection.
她模仿首相的樣子維妙維肖。
The Prime Minister was dethroned by the President.
總理被總統(tǒng)廢黜了。