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维护 费: 38 phrases in 16 subjects |
Automobiles | 3 |
Business | 4 |
Commerce | 1 |
Ecology | 1 |
Electronics | 3 |
Exhibitions | 1 |
Finances | 4 |
Hydroelectric power stations | 2 |
Oil / petroleum | 1 |
Project management | 3 |
Shipbuilding | 1 |
Space | 1 |
Technology | 8 |
Telecommunications | 2 |
United Nations | 1 |
Wind Energy | 2 |