blasting unit

基本解释

This unit group includes excavating, grading, paving, drilling and blasting contractors who own and operate their own business.
本单元组包括拥有和经营自己生意的挖掘，分级，铺路，钻井和爆破承建商。
The calculated results show that the charge weight per unit volume based on the tensile theory is identical with the practical one of the standard blasting crater.
计算结果表明，对于标准爆破漏斗，按最大拉应力理论计算的炸药单耗与实际情况基本吻合。
Detonator is an important part of the cartridge booster train and is the very necessary primer unit during the engineering blasting, so its output is one of the important properties of detonator.
设计一种实用、快捷、坏保、准定量的测量雷管输出威力的方法非常必要，它对于雷管的设计以及雷管生产过程的控制和产品性能的检验都具有十分重要的意义。