在滑坡及边坡治理中，锚固孔成孔方法主要采用回转钻进或单向潜孔锤进行钻进。
In the landslide and slope management, anchoring drilling methods used mainly Rotary-drilling or one-way Pneumatic DTH for drilling.
介绍一种新型的纸带打孔机，并对它的传动系统、成孔方法和原理作一分析和研究。
A new machine for boring holes in paper tapes is described in this paper. The drive system and the method of boring holes as well as the principle are also analyzed and studied in this paper too.
在软弱土层管棚支护工程中，利用现有设备试验了多种成孔方法，优选出最佳成孔法，加快了工程进度。
The paper discussed common problems of pipe roof support engineering in soft ground and presented the optimization technology by tests on borehole construction methods with existing equipments.
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