The main factors that influence the efficiency of rock-breaking are the down-holerock properties and the rock-breaking tools and methods.
其破岩效率的主要影响因素是井下地层岩石性质、破岩工具和方法。
2
The formation of the bottom holerock-disintegrating track of the mono-cone bit with wedge teeth was studied, and simulation software for the track pattern was developed.