boring principle

基本解释

EBZ260H hard rock boring machine; principle of work; produces benefit; fast boring works;
EBZ260H岩巷掘进机；工作原理；产生的效益；快速掘进；
The principle of the laser boring which is a special processing technique and is technical parameters are introduced in this paper.
本文介绍了一种微小深孔的特殊加工技术——激光打孔的原理和工艺参数。
The working principle of the deformable boring arm utilizing piezoelectrical elements as the actuator, as well as the mechanical structure, the design, and the control, is discussed.
讨论了以压电元件为动力部件的变形镗杆的工作原理、机械结构及其设计，简单介绍其控制。