n.洋銀
3 Air cooler and oil cooler shall be made of red copper, albata seamless tube or other corrosion prevention tubing. 3空氣冷卻器和油冷卻器應采用紫銅、銅鎳合金的無縫管或其他防銹蝕的管材。
albata goods 德國銀器皿
Albata metal 阿爾巴達黃銅
