“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	sinusoidal projection sinusoidal pulse width modulation sinusoidal spiral sinusoidal vibration sinusoidal wave sinus pause sinus rhythm Sinus Roris sinus septum Sinus Successus sinus tachycardia sinus tubercle sinus venosus S-invariant Sinvsi Sluice Sinān ibn Thabit S-I-N隧道结 SIN隧道结 SiO maser Si-on-nothing field-effect transistor SIOPS Sioux Sioux Wars SIP SiP

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