Carbon steel boiler, with less gas, generally use the basicopenhearthsteel 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
Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.
大部分建管道用管子的钢材由平炉、电炉和碱性顶吹转炉生产。
3
Pass splendid specimens of Anglo Norman architecture, pass pedestrians and pederasts, openhearth furnaces, basic Bessemer mills, dynamos and transformers, pig iron castings and steel ingots.