Combined transport without transfer in open-pit
concave slope in open pit
BENCH BLASTING
阶梯式爆破
梯段爆破
梯段
台阶爆破
台阶式开炸
露天台阶爆破
deephole bench blasting
Deep-hole bench blasting
Down-hole bench Blasting
large deep hole bench blasting
Long-hole bench blasting
open-air bench blasting
spacious bench in slope