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to phrases
单元组合
bridg.constr.
combination of elements
单元 组合
:
47 phrases
in 16 subjects
Automobiles
1
Aviation
2
Business
1
Chemistry
4
Electric machinery
4
Electronics
6
General
2
Geophysics
1
Information technology
1
Oil / petroleum
2
Rail transport
1
Refrigeration
1
Space
2
Steel production
1
Technology
17
Textile industry
1
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