?超低碳钢
... 低碳钢 low carbon steel; mild steel; soft steel; decarbonized steel◇低碳钢电枢 soft iron armature; 低碳钢锭 mild steel ingot; 低碳钢焊丝 mild steel welding rod; 低碳钢焊条 mild steel arc welding electrode; 低碳钢丝 mild steel wire 超低碳钢 dead mild steel; extreme low carbon steel; ultra low carbon steel; ultra-low-carbon steel 超低碳钢丝 charcoal wire ...