基本解釋[交通運輸工程]救生服英漢例句雙語例句They suit north and south water system respectively, and are good to be popularized and applied with water-saving, environmental protection and a longer equipment life.介紹了這些水処理劑在節(jié)水、環(huán)保、延長設(shè)備使用方麪的作用和價值。life-saving suit更多例句專業(yè)釋義交通運輸工程救生服