近來,可采用在冷卻塔的水管系統(tǒng)中設(shè)置旁通閥或節(jié)流閥.The latter may be used with bypass or throttling valves in the tower water pipework circuit.柔性節(jié)流閥結(jié)構(gòu)簡單, 壓力降小, 動作可靠性高.Flexible throttle simple structure, small pressure drop, high reliability and ...
He rolled his eyes heavenward in disgust.他厭惡地翻著白眼。But, if they seek to glorify God, let them not lift heavenward their unclean hands!不過, 要是他們追求為上帝增輝添光, 那就不要把骯臟的雙手朝天舉起吧!A man's heart is a firework that once in its ti...
Nitrogen manuring is essential to get a good yield of cut herbage.為了獲得刈割牧草良好的產(chǎn)量,使用氮肥是極為重要的.Fertilizers modify the composition of herbage.肥料可改變牧草的組成.The correlation was found between soil moisture and herbage coverage was...
His own army, stung by defeats, is mutinous.經(jīng)歷失敗的痛楚后,他所率軍隊出現(xiàn)反叛情緒。The mutinous sailors took control of the ship.反叛的水手們接管了那艘船.He gave Dixon a mutinous glare.他朝狄克遜惡狠狠地盯了一眼.a mutinous crew叛變的全體船員...
She sent the shuttlecock flying over the net with a practised flick of the wrist.她熟練地輕抖手腕,把羽毛球擊過了網(wǎng)。He practised the art of earthbound realism.他實踐生根于土壤的現(xiàn)實主義藝術(shù).Acupuncture was practised in China as long ago as the third mi...