Standard Specification for Copper-Zinc-aluminum-Cobalt Alloy, Copper-Zinc-Tin-Iron Alloy Plate, Sheet, Strip, and Rolled Bar是什么意思_Standard Specification for Copper-Zinc-aluminum-Cobalt Alloy, Copper-Zinc-Tin-Iron Alloy Plate, Sheet, Strip, and Rolled Bar在线翻译_英语_读音_用法_例句