thick alluvium

常见例句

The research result has a definite guidance to the "three-below" coal mining in the thick-alluvium mining areas.
研究成果对于厚冲积矿区“三下”压煤开采具有一定的指导意义。
Research on freezing pressure in deep thick alluvium is in great need with the increase in depth of frozen shaft.
随冻结法凿井深度的增加，我国对深厚冲积层冻结井冻结压力分布的研究需求已经十分迫切。
By imitation, considering the influence of thick-alluvium, the clay with dewatering of aquifer is greatly influenced on the mining-subsidence.
因此，粘土体结构失水对开采沉陷的影响是不能忽略的，应该加强粘土体结构失水方面的防范措施。