jet drilling 火力钻眼
jet drilling pump 射流式钻井泵
jet drilling bit design 射流钻头设计
powder-jet drilling machine 粉喷桩机
powder jet drilling machine 粉喷桩机
jet piercer drilling 热力钻进
self-advanced water jet drilling technology 自进式水射流钻进技术
jet-grouting drilling rig 旋喷钻机
jet reverse circulation drilling 射流反循环钻进
The main reason that the jet drilling can raise drilling speed is fully utilizing the hydraulic energy of nozzle jet flow to clear away cuttings and to break rocks.
喷射钻井能够提高钻井速度主要是充分利用喷嘴射流的水力能量来清理岩屑和破碎岩石。
参考来源 - 脉冲射流喷嘴的清岩与破岩机理·2,447,543篇论文数据，部分数据来源于NoteExpress
A good way to help you to improve drilling technique is to use a jet chunk.
能支持你们校正钻井技术的一种好方法是利用放射式钻头。
As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.
高压水射流径向水平孔钻进技术是水平孔施工技术之一，它是在垂直瓦斯抽放或煤层气勘探钻孔布置机械或水力扩孔装置，对准选定的煤层部位进行扩孔。
The equipment applies high voltage jet drilling process, with characteristics of high drilling efficiency , simple structural drilling tool and reasonable design.
该设备采用高压射流钻井工艺，具有钻进效率高、钻具结构简单、设计合理等特点。在两次现场试验中，成功地实钻了三眼定向孔。
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