2) water-resisting key strata
隔水关键层
1.
Fundamental concepts and mechanical analysis of water-resisting key strata in water-preserved mining;
保水开采隔水关键层的基本概念及力学分析
2.
A primary exploration on the relationships among loading key strata,water-resisting key strata and seepage key strata;
承载关键层、隔水关键层和渗流关键层关系初探
3.
In this paper,a rock pressure model of water-resisting key strata(WKS) in water-preserved mining is proposed,and a principle of WKS is presented for instructing and developing the water-preserved mining technology.
通过研究建立了保水采煤的隔水关键层矿压模型,同时提出了可用于指导开发保水采煤技术的隔水关键层原理。
3) key irrigation water period
关键灌水期
1.
Determination of xerophyte key irrigation water period;
旱作物关键灌水期的确定
4) Key water requirement period
需水关键期
1.
Climatic change of precipitation during key water requirement period of highland barley in Tibet;
西藏青稞需水关键期降水的气候变化特征
6) crucial water power
关键水动力
补充资料：地下水水资源评价(见水资源评价)
地下水水资源评价(见水资源评价)
d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条