周边切割爆破
peripheral incised blasting
毫秒微差爆破
split second blasting
millisecond short delay blasting
光面切割爆破
blasting of smooth and cutting
毫秒微差控制爆破
demolish of millisecond elementary errors control
光面控制爆破
Smooth wall Control blasting
光面爆破技术
smooth wall blasting technique
smooth blasting technique
controlled blasting
光面爆破参数
smooth blasting parameter
光面爆破
smooth blasting
grain side explosion
smooth demolition
smoothwall blasting
Blasting
smooth surface blasting
Sprayed concrete and bolting
smooth blast
smooth-surfaced blasting
precraking blasting
smokeless coal
perimeter blasting
smooth surface explosion
blast design
mill finish blowing up
smooth wall blasting
Smooth blastin g
mining-tunnel
smooth blasting parameter
mill finish blast
Smooth-surface Blasting
smooth blasing
smooth explode
wide-space blasting
光面护壁爆破
smooth blasting of pipe protecting borehole wall
double-pipe borehole wall protection blasting
毫秒微差延时爆破
millisecond elementary difference delay explosion