[化] 复合阀

combination valve的用法和样例：

例句

The laser melting and covering technology was used to intensify the seal surfaces of the components of the combined valves of methylamine pumps in the production line of urea.采用激光熔覆技术对尿素生产线上的甲胺泵组合阀零件密封面进行强化，激光强化的熔层表面光整，加工余量小，基体无变形。

不择手段背单词(739):bedizen把…装饰得过分华丽而

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气；穿着俗丽【记】bed床

发表于:2018-12-30 / 阅读(67) / 评论(0)

不择手段背单词

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by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

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法律英语 Legal Lad

简单慢速英语阅读:The Citizenship Interview

Emma went downtown. She had to take a test. It was a big test. It was her citizenship test. It was her test to become a U.S. citizen. The test had 100 questions. She had studied all 100 questions. She knew the answers to all 100 questions. She knew t

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简单慢速英语阅读

Michael Merzenich:谈重塑大脑

神经学家Michael Merzenich谈论大脑的神秘而强大的功能之一：大脑主动重塑自身的能力。他正在研究利用大脑的可塑性来增强我们的技能以及恢复缺失的功能。

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TED公开课:美妙的神经系统

Citizen Journalism

NB: This is not a word for word transcript Stephen: Hello, I'm Stephen. Rob: And I'm Rob. Stephen: And this is 6 Minute English! This week were talking about citizen journalism. Rob: Citizen journalism thats when people who arent trained journalists

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六分钟英语

CCTV9英语新闻：“Frozen” soundtrack sets new record

Disneys animated film Frozen just wont Let It Go. The soundtrack to the Oscar-winning film has had its best sales week, with the longest-ever run at the top of the charts. The soundtrack notched its 11th non-consecutive week at the top spot of the Bi

发表于:2019-02-08 / 阅读(102) / 评论(0)

CCTV9英语新闻2014年04月

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学英语单词

anchored-type ceramic veneer

ante-natal

arthroderma uncinatum