光面爆破
Sprayed concrete and bolting
smooth blasing
Blasting
Smooth-surface Blasting
mill finish blast
smooth surface blasting
smooth blasting parameter
mining-tunnel
Smooth blastin g
smooth wall blasting
smooth blasting
mill finish blowing up
blast design
smooth explode
perimeter blasting
smooth surface explosion
smokeless coal
precraking blasting
smooth-surfaced blasting
smooth blast
smoothwall blasting
smoth blasting
grain side explosion
smooth demolition
wide-space blasting
光面爆破参数
smooth blasting parameter
光面爆破技术
smooth wall blasting technique
smooth blasting technique
controlled blasting
护壁光面爆破
protecting borehole wall smooth blasting
简易光面爆破
simplifying control-explosive technique
深孔光面爆破
deep borehole smooth blasting
水压光面爆破
smooth hydraulic blasting
hydraulic pressure smooth blasting
X射线荧光光光谱
X-ray fluorescence spectrometry
全断面光爆
tolal-section smooth blasting
地面爆破
Hole Blasting from the Surface
blasting on surface
爆破破坏分区
distinction of blasting crack zones