n.熟鐵塊吹煉法
Steel was known in antiquity, and may have been produced by managing the bloomery so that the bloom contained carbon. 記者調(diào)查發(fā)現(xiàn),目前在哈市,還有很多司機由于空跑和長時間等待而不愿意參與這項服務,而一些叫車的乘客也由于干等車不來等因素對這項服務并不買賬。
bloomery iron 熟鐵