duplex metal的用法和樣例：
例句
- As a result, pipe lines made with dual metal pipes are applicable for transport of gas and slurry materials under different conditions.
因此，用雙金屬管制作的管道可以用于各種條件下的氣力輸送和漿體輸送。 - The material and technology of manufacture of screw slag removre of double metal high Cr castiron and carbon steel have been investigated.
研究了制造高鉻鑄鐵碳鋼雙金屬復合排渣器的材料與工藝。
