layer mining face 分层工作面
single layer mining 单层开采
protect layer mining 保护层开采
protective layer mining 保护层开采
protection layer mining 保护层开采
thick coal-layer mining 厚煤层开采
Third, To implement layer mining in Xinxia-24 &25 formation.
将新下24层与新下25层进行分层开采；
Simulation results may bring forward reasonable Suggestions for the design of protective layer mining and relief-pressure gas drainage.
模拟结果可为保护层开采及被保护层卸压瓦斯抽采设计提供合理建议。
Linked data, semantic analysis, analytics and data mining all form a layer on top of the content-web that could serve as the foundation for the next series of applications and other added value.
关联数据、语义分析、分析数据挖掘，这些都可以作为下一代网络产品和其它附加值的基础。
应用推荐