Two kind of separated perforating and pulse fracturing composite charges are studied.论述了低渗油气层的地质特征;研究了两种分离式射孔脉冲压裂复合弹.Macroscopic deviations from isotropy occur due to bedding, schistosity and also sometimes fracturing.与各...
She is still writing mindless drivel.她还在写些没头没脑的东西。What absolute drivel!一派胡言！Is drivel how of excretive and generation? Can be you synthesized artificially?鼻涕是如何分泌的和产生的? 可以人工合成 吗 ?I have never heard such silly drivel in a...