This technical process is simple, carburization is stable, application is widely.利用石墨煤增碳的炼钢技术,工艺简单可行, 增碳稳定, 应用广泛.Carburization of molten iron in the dropping zone of BF has been studied.高炉铁水渗碳的主要阶段在滴落带,炉缸内的渗碳过程不会掩盖滴落带的渗碳...
He then held the man in an armlock until police arrived.然后他反扭住那名男子的手臂让他动弹不得，直到警察赶到。This will mean more remand prisoners being held in police cells.这将意味着更多候审犯人会被拘押在警局拘留室。The election was held six months ahead of schedule....