深孔
Deep
Hole
deep hole
Blasting
Depth
Longhole
borehole
deeper
Deep-hole
deep bore
deep borehole
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1000m深孔
1 000 m deep hole
30m深孔
30m deep hole
BTA深孔钻头
BTA deep hole drill
MQL深孔钻削
MQL deep holes drilling
补孔深度比例
Depth proportion of perforaation
超千米深孔
borehole deeper than 1000m
超前深孔
leading deep hole
深孔
super deep bore
Ultra-deep Hole
extra-deep borehole
深孔爆破
extra-deep-hole blasting
超细长深孔
superfine deep holes
沉头孔深度
counterbore depth
冲击式深孔钻机
long-hole percussive machine
穿孔深度
depth of penetration
大孔径深孔
large-diameter deep hole
大孔深通道阵列
macropore array
大区深孔台阶爆破
large deep hole bench blasting
大直径深孔
big-diameter deep-hole
deep-hole with large diameter
large diameter longhole
big-deep holes
大直径深孔爆破
large diameter deep hole blasting
大直径深孔采矿
large-diameter longhole mining
Large diaamneter longhole mining
大直径深孔采矿法
Large diameter longhole mining method
Large diameter longhole mining
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