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| 变速电动机 | |||
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speed-varying motor : 14 phrases in 8 subjects |
| Chemistry | 1 |
| Drilling | 1 |
| Electric machinery | 5 |
| Information technology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
| Wind Energy | 1 |
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