coal mining designing institute detail
English translation for "煤矿" ... 煤矿设计院: coal mining designing institute detail>> 煤矿坑: coal mine; coalery detail>> 煤矿区: coal district detail>> ...
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coal mining designing institute detail
煤矿设计院详细资料
以上为机器翻译结果，长、整句建议使用 人工翻译 。