“room-and-pillar mining with subsequent backfill”的概念、定义、翻译、参考文献-科学参考

单词	room-and-pillar mining with subsequent backfill
释义	room-and-pillar mining with subsequent backfill Encyclopedia 工学充填采矿法释 room-and-pillar mining with subsequent backfill房柱采矿嗣后充填法用房柱法进行矿石回采，并用充填料一次性充填采空区以支撑围岩，为间柱或周围采场的回采创造条件的采矿方法。
随便看	Mercerized bedding mercerized towel mercerized wool mercerizing auxiliaries mercerizing process control systems Mercer theorem merchandise sales merchant merchantable volume merchants guilds merchant transmission expansion MERCOSUR mercuration Mercure de France Mercurial magnetosphere Mercurial precession mercurial soot mercurial thermometer mercuric chloride mercuric fulminate mercuric iodid mercuric iodide detector mercuric oxide mercuric sulfide mercurimetry

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