二辊式薄板轧机辊颈润滑油成分的改进
Improvement of the composition of lubricant used in sheet mill
初轧-轧坯联合轧机二辊式万能板坯初轧机
Combination blooming billet mil 2-Hi universal type slabbing mill
二辊可逆式中厚板轧机
Vertical roll entablature two-high reversing-plate mill
二辊式万能板坯初轧机
2-Hi universal type slabbing mill