About Zhu Yuanyuan
About 中国石油化工股fen有限公司西北油田分公司
About Song Qi
About 中国石油集団渤海鑽探工程有限公司定向井技術服務分公司
About Yang Dongming
About 中国石油化工股fen有限公司西北油田分公司
About Sha Yuehua
About 五行科技股fen有限公司
About Hu Dunhai
About 新疆柯林瑞爾科技有限責任公司
About Ding Long
About 大慶油田質量安全環保監督評价中心
About Youqitian Dimian Gongcheng
About high pressure
About torque
About welding
About flange
About lining
About softening point
About liner(lining)
About metal pipe
About axial direction
About buried work
About tensile strength
About discontinuity
About water area
About workflow
About 保護層
About Piping design and work
About 埋設
About 金属パイプ
About 高圧
About ライナー
About 修復
About 研究
About 現場
About 応用