rock drain的意思|示意
填石盲沟
rock drain相关短语
1、 rock-fill drain 填石排水沟
2、 drain pipe in rock stratum 岩层排水管
rock drain相关例句
Much of the water in a sample of water-saturated sediment or rock will drain from it if the sample is put in a suitable dry place.
如果把水饱和的沉积物或岩石样品放在合适的干燥的地方，样品中的大部分水将从中流出。
Applying long horizontal roof rock hole to drain the gas from adjacent seam and goaf is a new technique. In this paper, introduces the latest progress of this technique is introduced fully.
采用顶板岩层水平长钻孔抽放邻近层和采空区瓦斯是一项新技术，全面介绍了该技术研究的最新进展。