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31. | film vacuum combination packer |
| 真空薄膜联合包装机 |
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32. | combination shaft-sinking machine |
| 立井联合掘进机 |
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33. | a vertical combination [trust] |
| 纵向联合 [托拉斯] |
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34. | combination blooming billet mil |
| 初轧-轧坯联合轧机 |
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35. | oil and gas combination burner |
| 油气联合燃烧器 |
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36. | combination electric propulsion apparatus |
| 联合电力推进装置 |
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37. | oil and gas combination nozzle |
| 油气联合喷嘴 |
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38. | combination river and bay ports |
| 湾、河联合港 |
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39. | combination thermal cracking |
| 联合热裂化|混合裂化 |
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40. | combination control of deck cranes |
| 甲板起货机联合控制 |
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