Carbon steel boiler, with less gas, generally use the basic open hearth steel i. e. the use of basic lining.
锅炉用碳素钢,夹杂气体较少,一般采用碱性平炉钢即使用碱性炉衬。
2
Pass splendid specimens of Anglo Norman architecture, pass pedestrians and pederasts, open hearth furnaces, basic Bessemer mills, dynamos and transformers, pig iron castings and steel ingots.