About Han Chengqiang
About 瓦斯災害監控与応急技術国家重点実験室,重慶400037;中煤科工集団重慶研究院有限公司,重慶400037
About Cheng Bo
About 瓦斯災害監控与応急技術国家重点実験室,重慶400037;中煤科工集団重慶研究院有限公司,重慶400037
About Yang Liang
About 瓦斯災害監控与応急技術国家重点実験室,重慶400037;中煤科工集団重慶研究院有限公司,重慶400037
About Deng Peng
About 瓦斯災害監控与応急技術国家重点実験室,重慶400037;中煤科工集団重慶研究院有限公司,重慶400037
About Kuangye Anquan yu Huanbao
About pressure loss
About well(oil and gas)
About borehole
About coal field gas
About flow characteristic
About coal mine
About mining operations
About three dimension
About トレーサガス
About 開発計画
About Coal mines,coal resources
About Drilling
About Blasting
About Mining in general
About 炭鉱
About 坑井
About 掘削孔
About 半径
About 測定方法
About 研究
About 進展