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| 31. | Iron is extracted from the ore by means of the blast furnace. |
| 铁是从铁矿中通过高炉鼓风煅烧炼取的。 |
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| 32. | air-blast freezer tunnel |
| 隧道式鼓风冻结机 |
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| 33. | conditioned blast air |
| 空调鼓风,调温调湿送风 |
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| 34. | Oxygen rich blast can make gas decrease, theory burning temperature high. |
| 富氧鼓风后引起炉缸煤气量减少，使风口前理论燃烧温度明显升高。 |
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| 35. | humidification of blast |
| 蒸气送湿|鼓风增湿 |
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| 36. | knapsack air-blast sprayer with engine drive |
| 背负鼓风式机动弥雾器 |
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| 37. | oil-filled air-blast cooled |
| 充油鼓风冷却的 |
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| 38. | The outer wall and casing of a blast furnace above the hearth. |
| 壁炉上的外墙壁炉地面上方鼓风炉子的外墙或铸件 |
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| 39. | trailed air-blast sprayer with engine drive |
| 机动牵引式鼓风喷雾机 |
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| 40. | air blow floatation |
| 鼓风浮选 |
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