[化] 铬镍钢

nickel-chrome steel的用法和样例:

例句

  1. Elinvar is a trademark for a kind of nickel-chromium steel used for watch springs because its elasticity is constant over a wide range of temperatures.埃林瓦是一种用于手表弹簧的镍铬钢,因其能在很大的温度范围内保持一定的弹性。

AS IT IS 2013-06-29 Man of Steel Still Going Strong Hello again, and welcome. Im June Simms in Washington. Today on As It Is, we celebrate the life and times of one of worlds most beloved superheroes. Well hear the story of how Superman came to be an

发表于:2018-12-07 / 阅读(209) / 评论(0) 分类 2013年VOA慢速英语(六)月

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发表于:2018-12-10 / 阅读(169) / 评论(0) 分类 牛津阅读树ORTMP3(1-11级)

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发表于:2018-12-11 / 阅读(162) / 评论(0) 分类 访谈录2009

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By Caty Weaver Broadcast: November 21, 2003 This is Bob Doughty with the VOA Special English Economics Report. Last week, the World Trade Organization ruled that United States taxes on imports of stee

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发表于:2019-01-05 / 阅读(245) / 评论(0) 分类 TED公开课:吃吧

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发表于:2019-01-16 / 阅读(295) / 评论(0) 分类 2018年NPR美国国家公共电台5月

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发表于:2019-01-16 / 阅读(213) / 评论(0) 分类 2018年NPR美国国家公共电台2月

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发表于:2019-01-16 / 阅读(247) / 评论(0) 分类 2018年NPR美国国家公共电台3月

STEVE INSKEEP, HOST: American steelmakers are excited about President Trump's proposal to put 25 percent tariffs on imported steel. They say the tariffs will help level the playing field against competitors in China. But in one Michigan county that v

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发表于:2019-02-04 / 阅读(187) / 评论(0) 分类 VOA标准英语2009年(十一月)

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发表于:2019-02-06 / 阅读(218) / 评论(0) 分类 英语新闻

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发表于:2019-02-08 / 阅读(217) / 评论(0) 分类 英语新闻

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发表于:2019-02-14 / 阅读(238) / 评论(0) 分类 2016CRI中国国际广播电台

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