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ion emission | |||
ion emitting |
离子发射 : 94 phrases in 15 subjects |
Aviation | 1 |
Chemistry | 2 |
Earth sciences | 12 |
Ecology | 1 |
Electronics | 40 |
Food industry | 2 |
Geology | 4 |
Metallurgy | 6 |
Oil / petroleum | 1 |
Oil processing plants | 3 |
Plastics | 2 |
Space | 2 |
Technology | 15 |
Thermal Energy | 1 |
Water resources | 2 |