... London Underground 伦敦地铁 ; 伦敦地铁公司 ; 伦敦地下铁 ; 音画英国伦敦地铁 underground air 矿内空气 ; 井下空气 underground equipment 井下设备 ...
基于186个网页-相关网页
... 井下设备：down hole equipments 井下气体：mine gas 井下炮眼钻凿：underground blast hole drilling ...
基于12个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
所有井下设备均为双重密封且通过泄露测试。
射孔酸的组成取决于地层特性和所用的井下设备。
Formulation of the perforating acid depends on the characteristics of the formation and the downhole equipment used.
不管是陆地还是海上，因井下设备处在强腐蚀环境下，往往需要经常修井。
Wells in the Middle East, both onshore and offshore, often require workover because of the highly corrosive environment to which the downhole equipment is subjected.
应用推荐