(english) Steel melted in a furnace with an acid bottom and lining and under a slag containing an excess of an acid substance such as silica.
ภาษาไทย
ภาษาอังกฤษ Acid Steel
ภาพประกอบ (english) Steel melted in a furnace with an acid bottom and lining and under a slag containing an excess of an acid substance such as silica.