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周边孔
avia.
hole periphery
expl.
profile hole
hydroel.st.
peripheral hole
tech.
rim holes
周边孔
地下爆破时,在开挖断面周边上钻凿的炮孔,又称轮廓炮孔、修边炮孔和外帮炮孔。为了使爆破的轮廓形状完整,近来大多采用控制爆破的方法布置和装填周边炮孔
expl.
contour
perimeter
hole
周边孔
:
19 phrases
in 5 subjects
Automobiles
1
Engineering geology
2
Explosives and Explosive Ordnance Disposal
11
Oil / petroleum
1
Technology
4
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