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| system of haulage | |||
| hoisting system | |||
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提升 系统 : 16 phrases in 7 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Drilling | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 9 |
| Thermal Energy | 1 |
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