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...
Macroscopic deviations from isotropy occur due to bedding, schistosity and also sometimes fracturing.与各向同性相差很大的情况往往产生于层理, 片理,某些时候则由于断裂所造成.Therefore, CNOOC's proposed drilling fracturing with reasonable sanding recov...
The opprobrium and enmity he incurred were caused by his outspoken brashness.他招致的轻蔑和敌意是由于他出言过于粗率而造成的.He contrasted her brashness unfavourably with his mother’s gentleness.他把她的粗鲁同他母亲的温和相对比。He contrasted her brashness unfa...
Almost the first lesson they learn is how to dissociate emotion from reason.如何将理智和情感分开几乎可以说是他们所上的第一课。It is difficult to dissociate the man from his position.一想到这个人,就很难不联想起他的职位.It is getting harder for the president to di...
...a grizzled old age pensioner...头发花白、靠养老金过活的老人He is already an old man and pensioner, but quite active.他已经是个老年人,领养老金了, 但是精力相当充沛.The tax threshold for a pensioner is $ 6,000.领退休金的人的纳税起点是六千美元.The delighted pensioner walk...