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- swing jet perforator 摇杆式射孔器
- 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。
- 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。
- 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。
- 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。
- Can you swing them round to my point of view? 你能让他们转而支持我的观点吗？
- The golfer took a swing at the ball. 打高尔夫球的人挥棒击了一下球。
- The party was in full swing when we arrived. 我们到达时恰值聚会的高潮。
- She managed to swing an interview with the Prince. 她设法采访了亲王。
- He took a swing at the tree with his axe. 他挥斧砍树。
- 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。
- Can you swing it for me so that I get the job? 你能替我谋到那份工作吗？
- The meeting was in full swing when we arrived. 我们到那里时，会议正开得热闹。
- The swing of the ship made many people seasick. 船的摇摆使许多人晕船。
- Voting showed a 10% swing to the Opposition. 投票结果表明有10%25的人转而支持反对党。
- The presidential campaign was in full swing. 总统竞选运动正在全力进行中。
- 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。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
