1、The copper alloy material contains copper, zinc, stannum and manganese.
銅合金材料中含有銅、鋅、錫和錳。

2、Technological Study of Spinning for the Copper Alloy Bush
銅合金襯套旋壓工藝研究

3、So the research of the high strength and high conductivity copper alloy is an urgent affairs.
因此，研究高強度高導(dǎo)電率銅合金成為當(dāng)務(wù)之急。

4、Properties and applications of beryllium copper alloy are simply introduced.
簡單介紹了鈹銅的性能和用途。

copper alloy翻譯