medium-and low-alloy steels

• 中低合金钢

medium-and low-alloy steels的用法和样例：

例句

1. A method for determination of acid soluble and total aluminium in low and middle alloy steel by AES was presented.
   本文利用原子发射光谱法定量测定中低合金钢中的酸溶铝和全铝。
2. For welding medium carbon steel and low-alloy steel structures with appropriate strength.
   焊接中碳钢及相应强度的低合金钢结构。