Niobium is used mostly in alloys, the largest part in special steel such as that used in gas pipelines.
It is used in alloys, such as to make special steels and strong welded joints.
It is used in alloys, such as to make special steels and strong welded joints.
간단한 문구로 변경: Niobium is used mostly in alloys, the largest part in special steel such as that used in gas pipelines. 산출: