单词：precipitation-hardened steel
单词：precipitation-hardened steel 相关文章
Idiom: nerves of steel 有胆量，钢铁般的意志，平静的心态 Hit the book： Sharpen memory Dementia In shape Keep at bay Alternate Ward off Clutter Disarray Distraction
趣味青春英语
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
VOA2003（下）-农业与经济
在一个伦敦那么大的城市里，每天都要消耗掉三千万吨粮食。但是，这些食物都从何而来？建筑师Carolyn Steel 探讨每天喂养一个城市的神话，介绍古代的食物运输如何影响城市的形成和发展。
TED公开课:吃吧
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
2018年NPR美国国家公共电台3月
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
英语新闻
Xia Nong, deputy director-general of the National Development and Reform Commission's department of industrial policies, says China's steel products are highly competitive globally, and have gained a good reputation in international trade. This is du
2016CRI中国国际广播电台