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- Hydraulic jet perforation incorporates perforating and block removing, suitable to complex well conditions. 喷砂射孔技术集射孔、解堵于一体,适合于处理复杂井况条件。
- After the charges initiated at the same time,a line of jet perforations occurs on the wall of the boreh... 文中根据脆性断裂力学理论建立了装药参数设计公式，并以实例说明此聚能爆破技术方便易行，可用于预裂爆破、光面爆破和石料开采。
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- Based on the principle of cumulative charge explosion,a new kind of rock cutting blasting technique,the jet perforator charge blasting in small diameter boreholes,is developed in this paper. 本文介绍了适用于小直径炮孔爆破的岩石聚能切割爆破技术。
- The dark outline of a jet loomed through the mist. 喷射机的黑色轮廓在雾中隐隐显现。
- One jet perforator charge can creat two stream of jets in the opposite directions which can drill a pair of perforations face to face in the radial of the borehole. 其聚能药包能产生两股方向相反的锥形金属射流，在炮孔壁上形成两个相对的“点状”穿孔。
- Hey, look, that jet airliner is hopping off. 嗨，看啊，那架喷气式班机起飞了。
- I felt completely disorientated with the jet lag. 我乘长途飞机後因生理节奏失调而感到昏昏沉沉的。
- This aircraft works by jet propulsion. 这架飞机是喷气推进的。
- Nell did not full for John's story about being a jet pilot. 内尔不相信约翰讲的自称是喷气机飞行员的事。
- An airport equipped for jet aircraft. 装备有喷气式飞机的机场
- The accident happened as the jet was about to take off. 喷气式飞机正要起飞时出了事故。
- Application of hydraulic jet perforation in oilfield development 水力喷砂射孔在油气田开发中的应用
- The perfor mance indexes thereof are tested. 检测了该醇酸树脂的各项性能。
- Hydraulic fracturing combined with coiled tubing has become a highly efficient measure for EOR,which complete snubbing service,hydraulic jetting perforation,and segregated completion as a whole. 连续油管水力喷射压裂是集不压井作业、水力喷射射孔、分段压裂于一体化的高效增产改造技术。
- An aircraft takeoff aided by an auxiliary jet or rocket. 助飞用喷气机或火箭帮助航空器起飞
- The jet of water from the hose soon put out the fire. 救火水管中射出的水很快就把火扑灭了。
- Developing the supersonic jet was quite an accomplishment. 开发超音速喷气机是一项了不起的成就。
- The jet zoomed low over the houses, frightening everyone. 那架喷气式飞机低飞掠过房顶，隆隆声把大家吓了一跳。
- I don't see the jet of your plan. 我不明白你的计划的要点。
