| 1. | The gas can be cooled by a heat exchanger after the air heater . 烟气可以用空气加热器后的热交换器来冷却。 |
| 2. | Oil - fired air heaters and direct - fired heaters 燃油空气加热器和直接燃烧加热器 |
| 3. | Recirculating direct gas - fired industrial air heaters 循环直接燃气式工业用气体加热器 |
| 4. | Recirculating direct gas - fired industial air heaters 工业用可循环直接燃气式气体加热器 |
| 5. | Thermal performance testing of solar ambient air heaters 太阳能环境空气加热器的热性能试验 |
| 6. | Coal - burning air heater . technical specifications 燃煤热风炉.技术条件 |
| 7. | Non - recirculating direct gas fired industrial air heaters 工业用不可再循环的直接燃气式气体加热器 |
| 8. | Test method for coal - burning air heater 燃煤热风炉.试验方法 |
| 9. | Heat machines . fan - assisted air heaters using solid fuels 加热机器.借助风扇使用固体燃料的空气加热器 |
| 10. | Non - recirculating direct gas - fired industrial air heaters same as cga 3 . 7 非循环直接燃气式工业气体加热器 |