在多次试验研究的基础上开发出了YJB—2碱性微碳中间包覆盖剂满足了二钢连铸生产品种钢的需要。
Based on the experiments, YJB-2 basic micro-carbon covering agent for mid-ladle is developed, which satisfies the continuous casting production requirement for special steel in No. 2 steel plant.
在2000年加入奥盛集团之前，从1988年直至2000年，他是宝钢集团上海二钢有限公司技术和质量监督部门的副主管。
Before joining Ossen Group in 2000 from 1988 until 2000 Mr. Hua was a vice supervisor of the department of technology and quality supervision at Baosteel Group Shanghai Ergang Co. , Ltd.
第二次世界大战期间，钢在低温下的易碎性首次成为人们关注的主要问题。
Steel's fragility at low temperatures first became a major concern during the Second World War.
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