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

单词	room-and-pillar mining method
释义	room-and-pillar mining method Encyclopedia 工学房柱采矿法释 room-and-pillar mining method房柱采矿法矿房回采过程中靠围岩和留下的规则连续矿柱或间柱来维护采场稳定性的空场采矿法。简称房柱法。
随便看	magnetic cutoff insulation magnetic cycle magnetic damping magnetic data processing and interpretation magnetic declination magnetic deflection magnetic dehydration tank control magnetic density magnetic deviation magnetic dewatering tank magnetic dichroism effect magnetic-dielectric test magnetic diffusion magnetic diffusion coefficient magnetic diffusivity magnetic dip magnetic dipolar interaction magnetic dipole magnetic dipole layer magnetic dipole moment magnetic dipole radiation magnetic dipole transition magnetic dip pole magnetic discharge welding magnetic disk

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