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to phrases
壁孔
gen.
cinclis
avia.
wall hole
tech.
aperture
;
opening
壁孔:
176 phrases
in 22 subjects
Agriculture
4
Architecture
2
Aviation
3
Bridge construction
1
Compressors
3
Drilling
3
Earth sciences
2
Electronics
2
Engineering geology
10
Forestry
2
Geophysics
6
Hydroelectric power stations
1
Latin
3
Metallurgy
8
Nautical
1
Oil / petroleum
12
Plastics
5
Rail transport
1
Refrigeration
2
Space
2
Technology
97
Wind Energy
6
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