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effective field | |
met. | 有效磁场 |
maintenance | |
gen. | 保养常识 |
fin. | 维持费; 维护费; 业务维持费 |
hydroel.st. | 维护; 保养; 维修 |
met. | 维持 |
| |||
有效磁场 | |||
有效场 |
effective field maintenance : 19 phrases in 12 subjects |
Architecture | 1 |
Aviation | 1 |
Earth sciences | 1 |
Electric machinery | 1 |
Electronics | 1 |
Engineering geology | 1 |
Geophysics | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Refrigeration | 1 |
Space | 2 |
Technology | 6 |