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 field trip involved crossing a raging torrent.实地考察时要穿过一条水流湍急的河。Some students attended Prof. Jones on a field trip.一些学生随琼斯教授去野外郊游.Are you going to have a field trip on Tuesday?你准备星期二去野外旅行 吗 ?...
有些男子毫不掩饰他们对女子的轻视心理.Some men do not conceal the real contempt they feel for women.大凡由年逾四十的汉子对女子持有意见,均属无关重要.Any views are unimportant, if they are held about women by a man past forty.艾玛对女子寄宿学校并不陌生 ——— 她在英格兰牛津郡的一所女子学校读书.Em...
他们沿着滨水区漫步。They went for a stroll along the waterfront.笛福生动地叙述了鲁滨逊·克鲁索在荒岛上的冒险故事.Defoe skilfully narrated the adventures of Robinson Crusoe on his desert island.史密斯先生要娶鲁滨逊小姐为妻.Mr. Smith is taking Miss Robinson in marriage....
He recovered from a 4-2 deficit to reach the quarter-finals.他在2比4落后的情况下实现逆转闯进1/4决赛。The US trade deficit widened to $7.59 billion in November.11月美国的贸易赤字扩大到75.9亿美元。The deficit is now running at about 300 million dollars a ...