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止环
oil
no-go ring
tech.
guard ring
止 环
:
152 phrases
in 37 subjects
Agriculture
1
Architecture
1
Automobiles
11
Aviation
3
Chemistry
1
China
2
Computer numerical control
1
Construction
1
Dermatology
1
Desert science
1
Drilling
5
Earth sciences
1
Ecology
2
Electric machinery
10
Electronics
7
General
5
Gymnastics
1
Hydroelectric power stations
17
Information technology
2
Mechanic engineering
1
Metallurgy
4
Oil / petroleum
6
Pharmacology
4
Polymers
1
Rail transport
1
Refrigeration
2
Reproductive biology
1
Shipbuilding
2
Space
6
Sports
1
Steel production
1
Surgery
1
Technology
43
Telecommunications
1
Textile industry
1
United Nations
2
Wind Energy
1
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