Puddling machines搅炼机
puddling g搅炼
mechanical puddling振动捣实
Subsoil puddling基层土捣固
Puddling cinder普德林炉渣
puddling time耖田期
puddling industry冶铁业
puddling machine捣泥浆机
wet puddling湿精炼
N(名词) a process for converting pig iron into wrought iron by heating it with ferric oxide in a furnace to oxidize the carbon 搅炼