单词:abnormal structure steel
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[00:04.55]Language Function: [00:07.13]Requesting Assistance [00:10.95]A:Could you help me for a moment? [00:14.94]B:Yes,with pleasure. [00:18.13]A:Would you please take care of the luggage while I go to a taxi [00:24.03]B:No problem. A:That's vert k
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67 专家就防御恐怖袭击摩天大厦展开研究 SCIENCE REPORT- September 27, 2001: Planning for Safer BuildingsBy Nancy Steinbach (start at 1'00
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
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