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| 地回路电流 | |||
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ground-return : 34 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Construction | 1 |
| Electric machinery | 2 |
| Electricity | 4 |
| Electronics | 4 |
| General | 2 |
| Information technology | 3 |
| Power electronics | 1 |
| Remote sensing | 2 |
| Space | 2 |
| Technology | 5 |
| Telecommunications | 4 |