thick alluvium

常見例句

The research result has a definite guidance to the "three-below" coal mining in the thick-alluvium mining areas.
研究成果對(duì)于厚沖積礦區(qū)“三下”壓煤開采具有一定的指導(dǎo)意義。
Research on freezing pressure in deep thick alluvium is in great need with the increase in depth of frozen shaft.
隨凍結(jié)法鑿井深度的增加，我國(guó)對(duì)深厚沖積層凍結(jié)井凍結(jié)壓力分布的研究需求已經(jīng)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，粘土體結(jié)構(gòu)失水對(duì)開采沉陷的影響是不能忽略的，應(yīng)該加強(qiáng)粘土體結(jié)構(gòu)失水方面的防范措施。