| 1. | Autonomous central heating boilers , manually operated , burning solid fuel 供热中心手工加热固体燃料的自控锅炉 |
| 2. | Analysis of the energy consumption for operating the central heating boiler house 集中供热锅炉房运行能耗的分析 |
| 3. | Central heating boiler 集中供热锅炉 |
| 4. | Central heating boiler ; determination of the standard efficiency and the standard emissivity 集中供热锅炉.标准利用率和标准发散率的测定 |
| 5. | Gas - fired central heating boilers - type c boilers of nominal heat input not exceeding 70 kw 燃气集中供暖锅炉.标称热输入量不超过70kw的c型锅炉 |
| 6. | Gas - fired central heating boilers - type c boilers of nominal heat input not exceeding 70 kw 燃烧气体的集中供热锅炉.标称热量输入不超过70kw的c型锅炉 |
| 7. | Gas - fired central heating boilers - type b boilers of nominal heat input exceeding 70 kw but not exceeding 300 kw 燃气集中供暖锅炉.标称热输入值70kw - 300kw的b型锅炉 |
| 8. | Gas - fired central heating boilers ; type c boilers of nominal heat input not exceeding 70 kw ; german version en 483 : 1999 集中供暖燃气锅炉;额定热输入不超过70kw的c型锅炉 |
| 9. | Gas - fired central heating boilers - type b boilers of nominal heat input exceeding 70 kw but not exceeding 300 kw 燃气集中供暖锅炉.标称热量输入大于70kw而不超过300kw的b类锅炉 |
| 10. | Equipment for the conversion to gas of central heating boilers built for solid and liquid fuels . atmospheric burners 使固体或液体燃料转换成集中供热锅炉气体的设备.大气式燃烧器 |