One pandemic of Spanish flu took nearly 22 million lives worldwide.西班牙流感的大爆发夺去了全球近2,200万人的生命。They feared a new cholera pandemic.他们担心新一轮的霍乱大流行。In some parts of the world malaria is still pandemic.在世界上一些地区疟疾仍然具有高传染性。...
They feared a new cholera pandemic...他们担心新一轮的霍乱大流行。One pandemic of Spanish flu took nearly 22 million lives worldwide.西班牙流感的大爆发夺去了全球近2,200万人的生命。Dr. DeLay cautioned countries to maintain against resurgent pandemic.戴雷尔告诫各国...
加热室是多晶硅铸锭炉的关键部件之一.Heating chamber is pivotal part of the polycrystalline silicon ingot production furnace.沸腾钢在铸锭前不脱氧或轻度脱氧.In the case of rimming steel, no or some deoxidation is carried out before casting.常规DC铸造7050铝合金铸锭...
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....
Female teacher is wiping the tear of canthus, you come even, be?女老师抹著眼角的泪水, 你还要来一次, 不是 吗 ?She was taking tiny bites of a hot dog and daintily wiping her lips with a napkin.她小口地吃着热狗,用餐巾优雅地擦着嘴。He was wiping his hands on an...