Forum World Features论坛世界特稿社（英） The Natural Features of China中国自然景观 design features of modern aeroengine现代航空发动机设计特点 ..
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This paper briefly introduced the two classification methods, distribution area and natural features of arid area in China.
本文简要介绍了我国干旱区的二种分类方法、分布面积和自然特点。
Paper gives a brief description of the design features and operation experience of the first 300mw natural circulation boiler manufactured in China.
本文简要介绍了国产第一台300mw亚临界压力自然循环燃煤锅炉设计特点和运行经验。
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