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
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。
The control through the computer of the powder amount jetted from the powder jet drilling machine can promote the effect of the machine in treating the foundation.
用计算机控制粉喷桩机的施灰量，可提高粉喷桩机处理地基的效果。
This paper introduces the hardware circuits and software composition of the 8031 single-chip computer that controls the electronic scales of the powder-jet drilling machine.
本文介绍控制粉喷桩机电子秤的8031单片机系统的硬件电路及软件组成。
应用推荐