Water well drillers may specialize in a specific method of drilling, such as cable, rotary, auger, hammer or reverse circulation drilling.
水井钻井工可能会专注于一个特定的钻探方法，如电缆，旋转，钻，锤或反向循环钻探。
Applying: broadly used in the outer current cathode protection of the sea oil drilling platform, underground pipe and cable etc.
应用：高硅铸铁阳极广泛应用于海上石油钻井平台，地下管道地下电缆等设施的外加电流的阴极保护。
These include the fabrication of the Derailleur Cable Stop, and drilling the holes for both steering knuckle levels.
这些措施包括停止生产的变速器电缆，钻两个孔，关节指导的水平。
The renovated cable drilling has been applied successfully to pore-forming of docks inclined piles.
改造后的冲击钻成功地应用于码头斜桩的成孔工作。
Combined with projects, this paper introduced several kinds of anchor drilling technics in side slope anchoring project by anchorage cable and anchor rod.
以施工实践为基础，结合理论分析，提出了一种在岩土锚固工程施工中广泛应用的新型钻探工艺技术———螺旋冲击回转钻进技术。
Combined with projects, this paper introduced several kinds of anchor drilling technics in side slope anchoring project by anchorage cable and anchor rod.
以施工实践为基础，结合理论分析，提出了一种在岩土锚固工程施工中广泛应用的新型钻探工艺技术———螺旋冲击回转钻进技术。
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