钻进方法 meaning in English
drilling method
Examples
- Infixion method used in gravel
砾石层中适宜选用的钻进方法 - 3 transmission , built in the top drive power head , has two speed range ? high and low . it can meet the requirements of both dth hammer drilling and carbide bit drilling
3动力头设有变速装置，有高低两个档次，以满足潜孔锤钻进及硬质合金回转钻进方法。 - Landslide is a geological hazard with serious losses . it is very important to research the controling methods . slide - resistant pile , which has many advantages such as high adaptability , little interference to landslide and geological environment , short construction time , high silde resistance , is a main method to control landslide . pneumatic down - the - hole hammer is a drilling method with many advantages . its features , such as wide application range , high hole quality , no circulating medium , low operation regulations , and drilling big diameter rock hole , fit to construct slide - resistant pile . according to the requirement of silde - resistant pile construction , this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer . then an applied example is given
滑坡是一种危害极大的地质灾害,它的整治方法研究具有重要意义.抗滑桩是一种适应性强、对滑坡稳定性和地质环境干扰小、工期短、抗滑能力强的滑坡整治方法.风动潜孔锤钻进是一种具有许多优点的钻进方法,它的许多特点,如成孔质量高、应用范围广、无液体循环介质、钻进规程参数小、可实现大直径基岩钻孔等都适合于抗滑桩施工.文章在介绍风动潜孔锤钻进特点的基础上,根据抗滑桩施工要求,分析了风动潜孔锤用于抗滑桩施工的可行性,并举出了其应用实例