抽气泵的排气管应该导向室外空旷处或导向一座通风橱.The pump exhaust should lead to the open air or a fume hood.设计了一套硅片专用真空夹紧装置,包括夹紧装置和微型无油真空抽气泵.A vacuum clamp equipment used for holding Si wafer is designed in this paper....
Her character as a goddess of vegetation is shown in the story of Adonis.她作为植物女神的性格可以从阿道涅斯故事里看出来.I think you may deign to marry me . I don't want to be an Adonis.你要屈尊下嫁,我可不想当小白脸儿.He has a special appearance bringing...
6月份的出口额上升了1.5%，创下309.1亿美元的历史最高纪录。Exports in June rose 1.5% to a record $30.91 billion.1978年有884名学生，师生比为1比15。In 1978 there were 884 students at a lecturer/student ratio of 1:15.今年，工厂生产的小轿车可能只有1,500辆。The factory may make a...
"That is beautiful, Tony," Momma said, no longer sounding at all snappish.“真美呀，托尼，”妈妈说道，话音里的恶声恶气不见了。No matter how snappish you are, don't forget the tune.即使再急，也不要忘了语气。...
Mais maintenant, le royaume Qin , il a trouv é c 'é tait un complot.但是现在, 秦国发现了这个阴谋.La Chine, elle , é tait autosuffisante en p é trole jusqu'en 1993.中国在1993年以前的石油还能够自给自足.C 'é tait un p'tit bonhomme ,...