“roof-bolt drill”的概念、定义、翻译、参考文献-科学参考

单词	roof-bolt drill
释义	roof-bolt drill 顶板锚栓钻机
随便看	generating gear generating hob generating laser generating line generating machinery generating magnetometer generating mechanism generating method generating milling generating motion generating mounting surface generating operator generating pair generating phase generating plant generating probability generating process generating program generating rack generating routine generating run generating scheme generating set generating space generating station

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