?锰镇静钢

... semi-killed steel 半静钢 ; 半镇定钢 manganese killed steel 锰镇静钢 Full Killed Steel 镇静钢 ; 完全镇静钢 ; 全镇静钢 ...

?锰脱氧钢

锰脱氧钢 manganese killed steel 全脱氧钢 dead melted steel; dead steel; dead-melted steel; fully deoxidized steel; full ..