It must be noted, however, that refinery gas usually generates a certain amount of steam in the convection section of refinery gas-fired radiant furnaces.
不过必须指出，在燃气热辐射锅炉的对流过程中，炼厂气一般会产生一定数量的蒸汽。
2
The concrete slap contains fly ash, and in one section, the building is insulated and utilizes radiant floor coils heated by an external boiler that runs off wood waste collected on site.