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to phrases
wall rock
eng.geol.
洞室
围岩
hydroel.st.
围岩
tech.
孔壁岩石
;
井壁岩石
wall rock
:
32 phrases
in 13 subjects
Biology
1
Bridge construction
1
Desert science
1
Drilling
1
Earth sciences
1
Explosives and Explosive Ordnance Disposal
1
Management
2
Mountaineering
1
Nautical
1
Oil / petroleum
2
Rail transport
1
Solar power
1
Technology
18
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