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engineering service |
工程维护 : 39 phrases in 12 subjects |
Automobiles | 1 |
Aviation | 12 |
Business | 1 |
Communications | 3 |
Economy | 1 |
Electronics | 7 |
Engineering geology | 1 |
Hydroelectric power stations | 2 |
Management | 1 |
Space | 2 |
Technology | 4 |
Telecommunications | 4 |