The utility model relates to a gas-fired hot water boiler, in particular to a wet-back gas-fired hot-water modular castironboiler.
本实用新型涉及一种燃气热水锅炉,是一种湿背式燃气热水铸铁模块锅 炉。
2
The boiler used by such locomotive was the one removed from a small winder, the wheel being bought as the waste castiron, and the body framework was made from U-shape iron.