Using Gas Drainage Technology of Waste Pipe Laying to Dispose Gas for Return Air Corner in Coal Mining Face
采面回风隅角埋管抽放治理瓦斯
Determining Economic Pipe Diameter of Irrigation and Drainage Pumping Station With Kinetic Energy Economy Method
用动能经济方法确定排灌泵站的经济管径
The Imagine of Water Drainage and Gas Recovery Using Small Oil Pipe in Wanglong No. 10 Well of Chishui Gas Field
赤水气田旺隆10井小油管排水采气设想
This paper presents some results of the underground pipe and open channel drainage experiments of the saline and acid rice field in the coast area.
该文阐述了滨海咸酸稻田暗管排水和明沟排水试验的概况。
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