duplex metal是什么意思 duplex metal怎么读
duplex metal的用法和样例
- 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。 - 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。
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