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rock blasting in tunnel
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rock blasting in tunnel
Encyclopedia
理学
坑探工程
释
rock blasting in tunnel
坑道爆破技术
在坑道内,将凿岩机凿出的钻眼(炮孔)里装填炸药,利用其爆炸产生的作用来破碎岩石,实现掘进的能量。
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domain with smooth boundary
Do Manzareh/Two views
dombura
dombura plays and sings
dome
Dome-A
dome cell
domed coffered ceiling
dome dots
dome flat
Dome Fuji Station
dome in the tropical southern Indian Ocean
dome kiln
domeless reflector
domeless refractor
domeless solar telescope
domeless telescope
Domenico Cimarosa
Domenico Donzelli
Domenico Ferrari
Domenico Fetti
Domenico Ghirlandajo
Domenico Gilardi
Domenico Mazzocchi
Domenico Trezzini
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