backdraught

基本解釋

The paper describes the practice of put into operation for up-draught gas back sintering machines; introduces technical parameters determined and production control and solve measures for problems.
敘述了鼓風(fēng)返煙燒結(jié)機(jī)的投產(chǎn)實(shí)踐，介紹了工藝參數(shù)的確定，生產(chǎn)過(guò)程的控制，出現(xiàn)的問(wèn)題及解決措施。
But the little mermaid had no occasion to do this, for the polypi sprang back in terror when they caught sight of the glittering draught, which shone in her hand like a twinkling star.
可是小人魚(yú)沒(méi)有這樣做的必要，固為當(dāng)珊瑚蟲(chóng)一看到這亮晶晶的藥水——它在她的手里亮得像一顆閃耀的星星——的時(shí)候，它們就在她面前惶恐地縮回去了。