英语词汇“manless coal mining”是什么意思，翻译、用法及简单造句-英汉双解词典-英汉网

单词	manless coal mining
释义	manless coal mining
随便看	constant position input的意思 constant position ratio的意思 constant positive airway pressure的意思 constant potential的意思 constant potential accelerator的意思 constant potential amperometric titration的意思 Constant Potential Charge的意思 constant potential coulometry的意思 constant potential electrolysis的意思 constant potential generator的意思 constant potential gradient的意思 constant potential kilovolt的意思 constant potential kilovoltage的意思 constant potential modulation的意思 constant potential rectifier的意思 constant potential regulation的意思 constant potentials的意思 constant potential supply的意思 constant potential surface的意思 constant potential system的意思 constant potential three phase generator的意思 constant potential transformer的意思 constant potential x ray generator的意思 constant power的意思 constant power abrader的意思

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