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开发与研究
oil
development & research
开发与 研 究:
94 phrases
in 23 subjects
Agriculture
1
Automobiles
1
Aviation
7
Business
7
Chemistry
1
Commerce
4
Consulting
1
Drilling
1
Earth sciences
17
Economy
4
Electronics
21
Environment
2
General
1
Human resources
1
Mining
1
Name of organization
1
Navigation
1
Occupational health & safety
1
Oil / petroleum
5
Space
9
Technology
1
Trade unions
1
United States
5
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