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
光面护壁爆破
smooth blasting of pipe protecting borehole wall
double-pipe borehole wall protection blasting
光面切割爆破
blasting of smooth and cutting
男女羊皮光面绒面茄克
ladies’ & men’s jackets made out of goat nappa & suede
男女皮革光面绒面皮裤
ladies & men’s leather trousers made out of nappa and suede
男女绵羊皮光面绒面茄克
ladies & men’s jackets made out of sheep nappa & suede