单词:abrasion-resistant steel
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Unit6 Section (A) How to Prepare for Earthquakes Ideally, people would like to know when an earthquake is going to happen and how bad it will be. Inboth Japan and China, people have long believed that earthquakes can be forecast. In Japan, scientists
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
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。
The world of tomorrow - at least according to writers of science fiction - includes human-like robots that interact with people and help society in many ways. That future is becoming a reality at Virginia Tech in Blackburg, Virginia. Meeting CHARLI I
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
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