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to phrases
ring type
tech.
环形
ring type
:
105 phrases
in 20 subjects
Agriculture
6
Automobiles
22
Chemistry
2
Communications
2
Compressors
5
Computer networks
2
Electric machinery
3
Electronics
8
Genetics
1
Information technology
2
Mechanics
1
Metallurgy
6
Oil / petroleum
2
Plastics
2
Polymers
1
Rail transport
2
Refrigeration
2
Skydiving
1
Space
1
Technology
34
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