Introduces the roadway gas drained technology for high gas mining face, it has resolved the gas control problems during primary mining face.
介绍了高瓦斯采煤工作面采用高抽巷抽放、尾抽巷抽放等专用巷道瓦斯抽放技术，解决了工作面初采期间的瓦斯问题。
It is one of the effective methods for energy and resources comprehensive utilization to have gas drained to the ground by using gas-discharging hole in China.
利用瓦斯抽排孔把井下瓦斯预抽后排到地面，是我国目前煤矿预防瓦斯事故和进行综合利用能源的有效方法之一。
A set of experimental system used to measure flow field of spiral separator is constructed, with the experimental data, such as the pressure and flow rate of gas and the weight of drained water etc.
搭建了螺旋片导流式分离器流动场测量的实验装置，并用计算机对实验系统的压力损失和分离液体量进行数据采集。
Based on the concentration of drained gas, gas turbine or gas internal combustion engine can be selected to realize combined heat and power production with considerable benefits.
煤层气作为一种洁净能源进行发电，可根据气体的浓度，选择燃气轮机或燃气内燃机，进行热电联产具有很好的效益。
Based on the concentration of drained gas, gas turbine or gas internal combustion engine can be selected to realize combined heat and power production with considerable benefits.
煤层气作为一种洁净能源进行发电，可根据开采气体的浓度，选择燃气轮机或燃气内燃机，进行热电联产具有很好的效益。
Based on the concentration of drained gas, gas turbine or gas internal combustion engine can be selected to realize combined heat and power production with considerable benefits.
煤层气作为一种洁净能源进行发电，可根据开采气体的浓度，选择燃气轮机或燃气内燃机，进行热电联产具有很好的效益。
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