钢材表面镀铬 alphatization

钢材表面 hair crack

钢材表面清洗 steel surface cleaning

涂装的钢材表面 Steel Surfaces for Painting

钢材表观消费量 apparent volume of steel consumption

钢材一览表 Schedule Of Structural Steel

钢材制造用表面处理剂 surface treatment agent for steel manufacturing

国际钢材材料对照表 International Comparison of Metals