| 1. | The wall must be protected against chemical attack from highly corrosive components of the combusting gases .
必须把室壁保护起来以防止来自燃气的高度腐蚀性成分的化学侵蚀。 |
| 2. | Cost analysis of new type propane gas cutting
新型丙烷切割燃气的气割成本分析 |
| 3. | Open fronted gas - fired independent space heaters
前开式燃气的独立空间加热器 |
| 4. | Direct gas - fired door heaters ; addenda
直接燃气的进出口加热器.补充件 |
| 5. | Air pollution . determination of a gazeous acid pollution index
空气污染.燃气的酸污染指数的测定 |
| 6. | Calculation and analysis for light hydrocarbon mixed with air as city gas
轻烃混空气用作城镇燃气的理论计算 |
| 7. | Direct gas - fired door heaters
直接燃气的门式加热器 |
| 8. | Gas - fired illuminating appliances
燃气的照明器具 |
| 9. | Single burner gas - fired overhead radiant - tube heaters . part 1 : safety
单锅炉燃气的顶置散热管式加热器.第1部分:安全性 |
| 10. | Non - domestic gas - fired overhead luminous radiant heaters - part 1 : safety
非家用燃气的顶置散热管式加热器.第1部分:安全性 |
