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1·Currently has a long auger, lime machine, High Pressure Jet Drilling Rig, strong drill Roofbolter more than 10 varieties of five series.

目前已形成长螺旋钻机、灰土桩机、高压旋喷钻机、强冲钻机、锚杆钻机五大系列10多个品种。

2·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。

3·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。

4·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。

5·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。

6·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。

7·Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.

现代旋转钻井破碎岩石是以机械破岩为主导方式，射流辅助机械破岩的目的是提高机械钻速。

8·In this paper the relation between the hole diameter and the pile thickness of the jet on the hole bottom for a jet penetrating or drilling process is theoretically examined.

本文在理论上探讨了射流在侵彻或钻孔过程中，孔径和射流在孔底的堆积厚度之间的关系。

9·The rate of penetration of the negative pulse jet assisted drilling can increase from 0.7 to 3.0 in in-house simulation drilling compared to conventional drilling.

与常规钻井相比，室内模拟钻井试验条件下负压脉冲射流辅助钻井可以使钻速提高0.7-3.0倍。

10·Water jet flow is one of the decisive factors for drilling rate during rock bit drilling.

在牙轮钻头的钻进中，水射流是钻进速度快慢的决定因素之一。