circulating pump

基本解釋

This paper states the method of selecting and using circulating pump in hot water heating system properly to save electric energy.
合理的選擇和使用熱水供暖系統(tǒng)循環(huán)水泵，以達(dá)到節(jié)約電能的目的。
Puts forward a scheme of energy efficiency innovation by adding a frequency converter to the original constant flow secondary circulating pump.
對水泵系統(tǒng)進(jìn)行了節(jié)能改造，在原有的定流量二次循環(huán)泵上增設(shè)變頻器。
There were some new problems such as the easy exhaustion of the liquid ammonia circulating pump and the appearance of liquid ammonia product was off specification.
目前存在氨液循環(huán)泵易抽空、液氨產(chǎn)品外觀不合格（顏色發(fā)紅）、液氨外送泵密封泄漏等問題。