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水平井聚乙烯筛管完井技术
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水平井聚乙烯筛管完井技术
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煤层气钻井
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PE screen completion technology for horizontal well
水平井聚乙烯筛管完井技术
针对煤层机械强度低、裂缝和割理发育,裸眼完井条件下煤粉产出或煤层坍塌易造成井眼堵塞等复杂情况,严重影响煤层气单井产量,同时考虑煤炭后期开采安全而开发的非金属筛管完井方法。
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China-Congo Free State
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china consumers association
China Contemporary Ceramic Art Exhibition
China COSCO Shipping Corporation Limited
China Costume Art of Peking Opera
China Cotton Textile Association
China Council for International Cooperation on Environment and Development
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China Crop Protection Industry Association
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China Cultural Industry 20 Years Academic Contribution Award
China Cultural Industry Development Group Co.,Ltd.
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China Cup Multimedia Works Grand Prix
China Customs Museum
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China-Czechoslovakia International Shipping Co. Ltd
China Dancesport Federation
China Danxia World Natural Heritage
China Datang Corporation
China Defense League
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