blasting efficiency

基本解释

The method is reasonable, and the classifications have a certain benefits to improve blasting efficiency.
该方法分类合理，对提高爆破效率具有一定的指导意义。
Regarding the low blasting efficiency in the excavation of drift in one iron deposit, the paper taken the cutting method and blasting parameters as the main influencing factors;
针对某铁矿水平巷道掘进爆破效率较低的问题，确定了掏槽方式和爆破参数是其主要影响因素。
It is special important meaning that Deep - hole Blasting With Bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.
深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏，减少大块率，提高爆破效率等方面均具有重要的意义。