特种合金钢
- n.special alloy steel
- 网络Open die steel forgings for general engineering purposes
特种合金钢特种合金钢
special alloy steel
航海及海运专业词汇... ... special alarm 专用报警器 special alloy steel 特种合金钢 special ammunition stowage 特殊军火装载 ...
特种合金钢特种合金钢