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to phrases
安全环
ānquánhuán
oil
guard collar
;
safety link
tech.
guard ring
;
safety collar
;
safety ring
安 全环
:
95 phrases
in 28 subjects
Architecture
1
Automobiles
3
Aviation
7
Cryptography
1
Drilling
3
Earth sciences
1
Ecology
4
Electronics
9
Environment
12
Explosives and Explosive Ordnance Disposal
2
Finances
2
Food service and catering
1
General
1
Genetics
1
Hydroelectric power stations
1
Information technology
2
Logistics
1
Metallurgy
1
Mining
1
Multimedia
1
Nautical
6
Oil / petroleum
4
Rail transport
2
Space
3
Technology
19
United Nations
2
Water resources
2
Wind Energy
2
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