单词:electric induction steel
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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
STEVE INSKEEP, HOST: President Trump's push for tariffs on steel and aluminum imports is driven in part by competition from China. The United States still produces most of its own steel, we should be clear. But the industry has faced pressure from ch
Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year
托福听力历史类文章关键要素!本期屌丝听力继续接着上期的内容讲,谈论不同文章类型的把握要点。上期我们讲了TPO中最常考的生物类文章的五点关键要素,本期我们要涉及TPO中最Versatile的文