英语词汇“coal mining under buildings, railways and water-bodies”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	coal mining under buildings, railways and water-bodies
释义	coal mining under buildings, railways and water-bodies “三下”采煤; 建筑物下、铁路下和水体下采煤技术的总称。
随便看	helical surface helical, surface helical symmetry helical symmetry (of virus) helical symmetry virus helical tank helical, teeth helical teeth helical tension spring helical thickening helical tip speed helical-tooth helical tooth helical tooth cutter helical toothed round broach helical toothing helical tooth milling cutter helical torsion spring helical tracheid helical trajectory helical traveling-wave tube helical triphasic enhanced CT helical tube helical-tube type heat exchanger helical tube waste heat boiler

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