On Sunday, underground workers draining water from the flooded section saw swaying lamplight at the other end of the flooded v-shaped shaft, raising hope again.
周日,负责在地下从透水段抽水的工人见到V型巷道的另一端有微弱的灯光透出,这再次燃起人们的希望。
It's unknown whether the lava is residual material that's draining through the underground tube system or if the flow is still being supplied by lava from the crater, scientists say.
科学工作者们说,不知道熔岩是否是地下管道系统排出的残留物质,或者是否火山口的熔岩仍然在提供流量。
The new-type of hose pulsating pump is used for underground face draining and sump cleaning.
采用新型软管壁外脉动泵进行井下工作面排水及水仓清理。
This paper also carefully introduces a way and path to keep economic operation for chief draining pump in coal mine underground.
详细地阐述了保持煤矿井下大泵经济运行的途径和方法。
Some are building reservoirs; others are draining so much water from underground aquifers that several cities have reported serious land subsidence.
一些城市修水库,而另外一些城市就疯狂开采地下水资源,以至于好几个城市出现了地表下陷的险情。
According to the permeating theory of the underground water, the principle of preventing the subsurface water draining is put forward for tunnel analyzed.
根据渗流计算的原理分析了“灌浆封堵”外水压力的作用机理。
According to the permeating theory of the underground water, the principle of preventing the subsurface water draining is put forward for tunnel analyzed.
根据渗流计算的原理分析了“灌浆封堵”外水压力的作用机理。
应用推荐