单词:steel medium carbon
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By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o
DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred
DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For Many in Developing Countries By Gary Garriott Broadcast: Monday, April 04, 2005 I'm Gwen Outen with the VOA Special English Development Repor
废热发电厂用英语如何表达 新加坡上市的德龙控股有限公司宣布它已经建成了该公司的首个废热发电厂,此举既能实现废物利用,降低生产成本,又能减少碳足迹,改善空气质量。 请看报道:
Science and technology 科学技术 Lifts and skyscrapers 电梯和摩天大楼 The other mile-high club 另一个高耸入云的俱乐部 A new lightweight lift cable will let buildings soar ever upward 一种新型的轻型升降梯将会让建筑继