pillar method meaning in Chinese
柱式采矿法
柱式开采法
Examples
- Application of room - pillar method with artificial roof support in dongbaoshan mine
人工顶柱房柱法在东宝山矿区的应用 - Application practice of pre - truncating crest room - and - pillar method at houzhuang mine
预切顶房柱采矿法在侯庄矿区的应用实践 - Pillar method of stoping
柱式采矿法