| 1. | The blast furnace is not in commercial use . 高炉法尚未在工业上应用。 |
| 2. | All trim scrap is conveyed back to the furnace . 所有修整边料传送回铅锅。 |
| 3. | All trim scrap is conveyed back to the furnace . 所有修整边料都传送回熔炉。 |
| 4. | The air is evacuated from the furnace . 从真空炉中抽出空气。 |
| 5. | The fire in the furnace warms this cold air . 炉灶里的火对进来的冷空气加热。 |
| 6. | We took turns stoking the furnaces . 我们轮番给锅炉添煤。 |
| 7. | To smelt iron ore in a blast furnace can obtain iron . 在高炉中熔炼铁矿石,可取得铁。 |
| 8. | This gas is led off from the top of the furnace to be used . 煤气从高炉顶部引出加以利用。 |
| 9. | This furnace burns gas . 这个炉子烧的是煤气。 |
| 10. | All control equipment should be located in the furnace control room . 所有的控制设备都应当装在窑炉控制室里。 |