coal layers

 
  • 含煤地层

coal layers的用法和样例:

例句

  1. In the stone coal layer and the overlying black shale, there is a pyrite layer.
    在石煤层或其上部的碳质页岩中含黄铁矿层。
  2. There is a coal layer on the clay of direct roof.This layers is unstable and easy tofall down after mining and enable the gas to gush out.
    团溪锰矿的直接顶板粘土之上有一煤层,且不稳定,采后容易垮落,造成瓦斯涌出。
  3. The heat insulation layers are mainly the red sandstone rock, coal layer, mudstone rock of the Xujiahe Group, the Jura Upper Trias System.P...
    大气降水通过岩溶槽谷下渗至热储层 ,在深部沿断裂构造线由北向南迳流 ,并在地表减压最大处 ,如河谷地段等 ,排出地表而形成温泉。
  4. The oil shales are associated with and lie on a coal layer of turfy-swampy facies.
    煤层顶部发育的巨厚湖相劣质油页岩;分布广;层位稳定;含油率<3.;5%25。
  5. The widely distributed coal layer adsorbed gas is also an important potential natural gas resource.
    分布广泛的煤层吸附气也是重要的潜在天然气资源。
  6. Wennan colliery of Xinwen Coal Mining Group is an old coalmine and is mining deep coal layer.
    汶南煤矿是新汶矿业集团进入深部开采的老矿井。

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