shrinkage mining
英
美
- 留矿法开采
双语例句
- The range of precipitation funnel arising from wide strip skip-mining and full-pillar mining is analyzed through numerical simulation.
通过数值模拟，分析了宽条带跳采和全部冒落法开采引起的降水漏斗的影响范围。 - Introduced the prevention methods and practice experience for the sixth pit in Xingshang Coal Mine adopted longwall inclined slicing experence mining method.
介绍了兴山矿六井采用倾斜分层走向长壁采煤法开采特厚煤层，防治自然发火的经验。
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