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| electro-control | |||
| electric operation | |||
| 电 动操作: 20 phrases in 7 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Electronics | 5 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Technology | 9 |
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