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液位计 : 104 phrases in 15 subjects |
Aviation | 4 |
Business | 1 |
Drilling | 2 |
Economy | 1 |
Electronics | 3 |
Engineering geology | 1 |
International trade | 1 |
Metallurgy | 3 |
Nautical | 2 |
Nuclear and fusion power | 1 |
Oil / petroleum | 10 |
Refrigeration | 5 |
Shipbuilding | 5 |
Space | 9 |
Technology | 56 |