煤层气与煤炭协调开发
coal bed methane and coal coordinative development
煤层气资源
coal bed gas resources
resources of coal bed gas
Coal-bed Gas Resource
coalbed methane resource
CBM resource
CBM resources
煤层气资源及其利用
The Evolvement of Coal Bed Gas Utilization
煤层气资源量
coalbed gas resource
resource magnitude of coalbed methane
CBM resource
煤层气资源潜力
coalbed methane potential
煤炭资源资产分类
coal resource assets classification
煤与煤层气共采
Extraction of coal and coalbed methane
中国矿业大学煤炭资源与安全开采国家重点实验室
State Key Laboratory of Coal Resources and Safe Mining
China University of Minng Technology
大倾角地层煤层气钻井
CBM well boring in strata at great inclination
含吸附煤层气煤
adsorbed methane-coal system
建下煤炭资源
Coal resources under buildings