Bessemer process: technique for converting pigiron to steel invented by Henry Bessemer in England in1856and brought by him into commercial production in1860.
柏塞麦炼钢法:1856年由英国的柏塞麦发明的将生铁转变成钢的技术,1860年把该技术投入商业生产。
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Pass splendid specimens of Anglo Norman architecture, pass pedestrians and pederasts, open hearth furnaces, basic Bessemer mills, dynamos and transformers, pigiron castings and steel ingots.