Copper alloy tubes

• 铜管

Copper alloy tubes的用法和样例：

例句

1. The copper pipework has corroded in places.
   铜管有几处受到了腐蚀。
2. Third, stainless steel pipe and copper pipe welding using welding.
   三是，不锈钢管和铜管的焊接采用导管焊接。