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31. | exceptional promotion |
| 破格提升 |
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32. | hydraulic hoisting |
| 水力提升 |
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33. | lever gear door |
| 提升门 |
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34. | hoist engine house |
| 提升机房 |
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35. | lifting efficiency |
| 提升效率 |
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36. | elevating conveyor |
| 提升滑轮组 |
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37. | lifting theorem |
| 提升定理 |
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38. | lifting capacity |
| 提升能力 |
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39. | industrial upgrading |
| 工业提升 |
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40. | hoisting compartment |
| 提升隔间 |
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