概述了空气反循环钻进工艺应用于物探爆破孔施工的原理、特点及其试验应用情况。
This paper describes the theory, features and testing results of the air reverse circulation drilling process used in geo physical blast hole drilling.
介绍了钻进微机自动控制软件的主要原理、系统的主要功能、用途及应用前景等。
The main theory of software for automatic drilling control by PC, the major functions, usages and application prospect of the system are introduced.
本文介绍了水平定向钻进技术的基本原理及在污水管网建设中的应用。
This paper gives a brief introduction to the cardinal principle of horizontal directional drilling technique and its application in the construction of sewer net.
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