shrinkage mining

• 留矿法开采

shrinkage mining的用法和样例：

例句

1. 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。
2. 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。