英语词汇“coal coring tool, coal corer”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	coal coring tool, coal corer
释义	coal coring tool, coal corer 煤心采取器；又称“取煤器”、“取煤管”。煤田钻探钻进过程中；专门用于采取煤心的一种特殊器具。
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