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- 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。
- 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。
- jet perforator charge 喷射式穿孔药包
- 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。
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- 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。
- Do they charge carriage by bulk? 他们是否按体积计算运费？
- Please charge these bills to my account. 请把这些帐单记在我的账上。
- Hey, look, that jet airliner is hopping off. 嗨，看啊，那架喷气式班机起飞了。
- She appear in court on a perjury charge. 她因被指控做了伪证而出庭受审。
- 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。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- This aircraft works by jet propulsion. 这架飞机是喷气推进的。
- The shop stuck an additional charge on the bill. 商店在帐单上增收了一笔费用。
- 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。
- How much interest do they charge on loans? 他们贷款收多少利息？
- They charge a fixed rate for each transaction. 他们对办理的每项业务收取一定的费用。
- An airport equipped for jet aircraft. 装备有喷气式飞机的机场
