confining bed 隔水层
upper confining bed 上覆隔水层 ; 隔水顶板
lower confining bed 隔水底板
confining bed of aquifer 封闭含水层
Positive confining bed 下阻岩床
skylight of upper confining bed 含水层天窗
Negative confining bed 上顶岩床
confining overlying bed 隔水顶层
confining underlying bed 隔水底层
aquifuge confining bed 不透水层
·2,447,543篇论文数据，部分数据来源于NoteExpress
The hydrogeologic condition of Danhou mine is complex, and the sublevel coal is threatened by O. L. water. It is very difficult that thin confining bed coal is mined under pressure.
单侯矿井水文地质条件比较复杂，下部煤层受奥灰水威胁，薄隔水层带压开采问题非常突出。
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