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| 51. | The freighter carrying pig iron is cleaving through the water. |
| 装着生铁的货船正在破浪前进。 |
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| 52. | Coke, pig iron, steel; Building materials, machinery electrical equipment. |
| 焦碳，生铁，钢材；建筑材料，机械电器设备。 |
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| -- 来源 -- 1-11000095147.energy-brand.cn |
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| 53. | a worker who turns pig iron into wrought iron by puddling. |
| 把生铁搅炼进熟铁的工人。 |
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| 54. | Blast Furnace: Use iron ore from the mines to make pig iron for you weapons. |
| 鼓风炉：铁矿石在这里炼成生铁，可以用来制造武器。 |
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| 55. | The iron extracted from the blast furnace is known as pig iron . |
| 从高炉中提炼出的铁叫生铁。 |
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| 56. | A workshop where pig iron is transformed into wrought iron. |
| 铁匠铺，锻造车间将生铁锻造成熟铁的工场或车间 |
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| 57. | Cannon Foundry: Cannons are made here from pig iron and wood. |
| 大炮制造厂：在这里把生铁和木头制成大炮。 |
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| 58. | Gentlemen, shoveling is a great science compared with pig-iron handling. |
| 先生们，同搬运生铁相比，铲工是一门重大学问。 |
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| 59. | Pig iron contains, much more carbon than steel. |
| 生铁比钢的含碳量要高得多。生铁的含碳量一般是3～4％，而钢的含碳只有0．025～1.7％。 |
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| 60. | The chemical principle of oxidation is employed to convert pig iron into steel. |
| 把生铁炼成钢是利用化学上的氧化原理。 |
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