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2013-05-23 12:21
求翻译：Dust formation from a variety of sources has been a continuing cause of environmental and health concerns. Particular attention has been paid to the dust developed from the handling of coal, but such sources also include, for example, petroleum coke, recycled glass dust, bauxite, and mined minerals such as iron ore, al是什么意思？ 待解决
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Dust formation from a variety of sources has been a continuing cause of environmental and health concerns. Particular attention has been paid to the dust developed from the handling of coal, but such sources also include, for example, petroleum coke, recycled glass dust, bauxite, and mined minerals such as iron ore, al
问题补充： |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
