confined bed meaning in English

封闭层

Application of transient electromagnetic techniques to grouting reconstruction of lower confining bed
瞬变电磁技术在煤层底板含水层注浆改造中的应用
The grouting reconstruction technique of lower confining bed can be used to control the water hazard from coal floor
摘要煤层底板含水层注浆改造技术可以彻底根治底板水害。
Standard test method analytical procedure for determining hydraulic properties of a confined aquifer and a leaky confining bed with negligible storage by the hantush - jacob method
用hantash - jacob方法测定具有微量存储的越流性隔水层和封闭含水层水压特性的标准试验方法
Standard test method analytical procedure for determining hydraulic properties of a confined aquifer taking into consideration storage of water in leaky confining beds by modified hantush method
用改良的hantus方法测定越流性隔水层中包括蓄水层的封闭含水层水压特性的标准试验方法