“露天与地下同时开采”的概念、定义、翻译、参考文献-科学参考

单词	露天与地下同时开采
释义	露天与地下同时开采 Encyclopedia 工学露天与地下联合开采释 surface and underground mining at the same time露天与地下同时开采矿床从开始开采直至相当长的时期内，露天开采与地下开采同时进行的开采方式。
随便看	drilling fluid supervision drilling fluid tank level gauge drilling fluid technology drilling fluid treatment agent drilling for geological mapping drilling geological logging drilling hole electrochemical machining tool drilling hole structure drilling hydraulics drilling in coalbed methane drilling in pressure balance drilling instrumentation drilling in surface mining drilling intelligence drilling level drilling machine drilling machine-hour drilling machine safety drilling method drilling mud additive drilling mud logging drilling mud logging parameters drilling non-production time drilling overflow drilling parameter

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