mandrel mill meaning in English
卷筒处于胀大状态
连轧管机
芯棒式无缝管轧机
芯棒式轧管机
Examples
- In the last twenty years , the seamless steel pipe industry in our country has been developing rapidly , since the importation of the first mandrel mill production line by baosteel from japan , various advanced types of rolling mills have been set up
近二十年来我国无缝钢管行业发展较快，自80年代初宝钢从日本引进第一条连轧管生产线以来，现在已拥有了各种先进型机组。