1) Efficient rock-breaking
高效破岩
2) rock breaking efficiency
破岩效率
1.
According to the low rock breaking efficiency,short service time and other disadvantages of the rolling cuter in the hard rock drilling of the mine shaft rising boring,a new pick shape tooth rolling cuter was developed.
根据反井钻井在坚硬岩石钻进中出现的滚刀破岩效率低、使用寿命短等问题,研制了新型镐形刀齿。
3) rock breaking effect
破岩效应
4) rock fragmentation
破岩效果
1.
Experimental investigation on the effect of change in explosive detonation in rock fragmentation;
炸药爆轰性能变化对破岩效果影响的实验研究
6) High capacity crusher
高效破碎机
补充资料：破梆破羣
1.旧时牌戏术语。二条﹑二万﹑八饼一副叫"梆子";三条﹑三万﹑七饼一副叫"羣子"。梆子中缺饼子叫"破梆"，群子中缺饼子叫"破羣"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条