全部

1·A mandrel mill hydraulic screwdown control was successfully established at Wakayama Steel Works of Sumitomo Metal Industries, Ltd, in 1985.

一套连轧管机油压压下控制系统于1985年在日本住友金属公司和歌山钢铁厂使用成功。

2·The slab production cooperation between China Steel corporation and Sumitomo Metal Industries is introduced. The background of the corporation and its effects on other corporations are analyzed.

介绍了中钢和住友金属关于和歌山上游生产线的合作内容，分析了合作的背景以及合作将产生的影响。