单词：iron filings
iron filings的用法和样例：
例句
- The iron flings align themselves in the direction of the magnetic field.铁屑按磁场的方向排列。
- Printing and dyeing wastewater was treated by the two wastes, iron scraps and fly ash.摘要利用废铁屑与粉煤灰两种废物集合处理印染废水。
单词：iron filings 相关文章
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体育美语
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VOA标准英语2010年(十二)月
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美国习惯用语
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英汉幽默故事选读
By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort
2007年VOA常速英语（十月）
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金属
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2011年VOA慢速英语(一)月
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VOA标准英语2010年(五)月
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VOA标准英语2010年(八)月
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VOA标准英语2011年(七月)
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世界各地新闻集锦
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60秒科学
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农业与发展
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英语新闻
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金属
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cctv9英语新闻2015年