优质碳素钢 meaning in English
fine steel casting iron
quality carbon steel
Examples
- Hot - rolled quality carbon steel wire rods
优质碳素钢热轧盘条 - Screws and screw tubes apply quality carbon steel , which is finely processed under multi - step heat treatment
螺筒螺杆采用优质碳素钢，经多级热处理和精加工而成。