短語詞組短語confining underlying bed 隔水底層confining overlying bed 隔水頂層confining g bed 不透水層upper r confining bed 上覆隔水層effective confining bed 有效隔水層confining bed clothes 不透水層lower confining bed 隔水底板confining bed of aquifer 封閉含水層Negative confining bed 上頂巖床 返回 confining bed