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。
Bessemer process: technique for converting pig iron to steel invented by Henry Bessemer in England in1856and brought by him into commercial production in1860.
根据共管柏文物业管理标准法，物业管理公司有责任对公寓事故损失进行恰当的维修，但并不需雇请业主选择所选定的承包商。
Under the standard condo bylaw, condo management is responsible for an appropriate repair job done but not required to hire a contractor of an owner's choice.
修正柏塞麦炼钢法将生铁炼成钢的一种方法。
Modification of the Bessemer process for converting pig iron into steel.
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