硅胶扩张管在内窥镜鼻窦手术中的应用
铸铁感应熔化电炉硅质炉衬蚀损机理及对策
1·While using silicious insulation plate as the working lining for continuous casting tundish at the 2nd Steelmaking Plant of our company, the skin blowholes occurred seriously on the head of billets.
我公司二炼钢连铸中间罐工作衬，采用硅质绝热板时，其铸坯头部皮下气泡严重。