1) airforce cave completion
空气动力洞穴完井
2) cavity completion
洞穴完井
3) bare hole cave completion
裸眼洞穴完井
1.
Analysis on the mechanisms of bare hole cave completion technology in the development of coalbed methane,the stressing states of strata around the cave and some relative formulas are presented,and the valuable application suggestions are advanced.
对煤层气开发中所应用的裸眼洞穴完井技术的作用机理进行了分析,给出了洞穴周围地层的应力分布状态,引出了几个相关的公式,对洞穴完井的应用提出了几个有益的建议。
4) openhole cavity completion
裸眼洞穴法完井
5) mine aerodynamics
矿井空气动力学
6) wind tunnel aerodynamicist
风洞试验空气动力学家;风洞专家
补充资料:不依赖空气的动力装置