细晶粒低碳结构钢  plastalloy

低碳合金结构钢  low carbon alloy steel

低碳钢钢筋  mild steel reinforcement

结构碳钢  structural carbon steel

软中碳结构钢  soft medium structural steel

碳结构钢用电焊条  electric welding rod for carbon construction steel

中碳结构钢  medium carbon structure steel; medium carbon structural steel; medium-carbon structure steel; medium carbon constructional steel

钢结构构件  steel members; steel structure element; steel components

钢结构构件拓扑优化  steel structure topology optimization

钢结构构造  steel frame

结构钢构件  structural steel member

箱筒型钢结构构件  box steel structure components

原型结构构构成法  the formation of the fashion prototype

Nb-Mo低碳钢  Nb-Mo low carbon steel

Q235低碳钢  Q235 low carbon steel

Q345C含Nb低碳钢  Bearing Nb Low Carbon Steel Q345C

Q345低合金高强度结构钢  Q345 HSLA structural steel

Si-Mn系低碳钢  si-mn low carbon steels

SPHD低碳低硅钢  SPHD low carbon and low silicon steel