duplex metal

• 双金属

duplex metal的用法和样例：

例句

1. As a result, pipe lines made with dual metal pipes are applicable for transport of gas and slurry materials under different conditions.
   因此，用双金属管制作的管道可以用于各种条件下的气力输送和浆体输送。
2. The material and technology of manufacture of screw slag removre of double metal high Cr castiron and carbon steel have been investigated.
   研究了制造高铬铸铁碳钢双金属复合排渣器的材料与工艺。