论文部分内容阅读
金钢石钻机的类型岩心钻机的类型是根据控制金刚石钻头所完成的钻进方法来确定的。这里描述的是最通用的三种类型。每一类型都有其优点和缺点。
Types of Diamond Drilling Rigs Core drilling rigs are typed according to the drilling method that is performed to control the diamond bit. Described here are the most common of the three types. Each type has its advantages and disadvantages.