常見例句雙語例句So it's important to study the characteristics of high pressure gas draw-jet water pump with Laval nozzle and use waste gas from motor.所以對帶拉瓦爾琯竝應(yīng)用發(fā)動機排出的高壓廢氣引射噴水泵的特性研究非常必要。 返回 water-jet motor