n.洋银
3 Air cooler and oil cooler shall be made of red copper, albata seamless tube or other corrosion prevention tubing. 3空气冷却器和油冷却器应采用紫铜、铜镍合金的无缝管或其他防锈蚀的管材。
albata goods 德国银器皿
Albata metal 阿尔巴达黄铜
