片语

jet bit drilling喷射鉆头鉆井

flame jet drilling火焰喷出鉆井

jet drilling bit design射流鉆头设计

jet piercer drilling火力鉆眼

jet drilling rig熔化鉆机

Underbalance jet pump drilling method发明名称

thermal-jet piercing drilling热焰射穿鉆孔

英汉例句

• currently has a long auger, lime machine, high pressure jet drilling rig, strong drill roofbolter more than 10 varieties of five series.

  目前已形成长螺旋鉆机、灰土桩机、高压旋喷鉆机、强沖鉆机、锚桿鉆机五大系列10多个品种。

• 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鉆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鉆孔布置机械或水力扩孔装置，对準选定的煤层部位进行扩孔。

• the rock break-off process with high-pressure water jet drilling was studied systematically.

  巖石破裂过程研究一直是巖石力学专家关注的重要问题。

• the results show that the course of rock break-off with high-pressure water jet drilling can be divided into two stages. in the initial stage, the stress wave plays a main role for breaking rock.

  研究结果表明，高压水射流破巖鉆孔过程分为两个阶段，初期以应力波作用为主，形成巖石损伤破坏的主体；

• 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。

• water jet drilling can be divided into two stages: at the initial stage, the stress wave plays the main role and most of the rock breaking takes place;

  高压水射流凿巖过程可分为两个阶段，初期以应力波作用为主，形成巖石损伤破坏的主体；

• 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鉆井工艺，具有鉆进效率高、鉆具结构简单、设计合理等特点。在两次现场试验中，成功地实鉆了三眼定向孔。

• the evolvement of rock damage during swirling water jet drilling is simulated on a nonlinear fem and dynamic rock damage model, and a decoupled method is used to analyze the rock damage.

  依据所建立的损伤模型，利用非线性动力有限元方法，对旋转水射流破巖鉆孔过程的过程进行了模拟，其中巖石损伤场的求解采用解耦的方法。