时间:2022-10-23 19:54:31
不列颠金〔锡、铜、锑的银白色合金〕。
britannia: n. 1.【历史】布立吞里亚〔罗马人给不列颠岛起的名称〕 ...
metal: n. 1.金属;金属制品;金属合金。 2.【化学】金属元 ...
Britannia metal or britannium is a pewter-type alloy favoured for its silvery appearance and smooth surface. The composition is approximately and typically 92% tin, 6% antimony, and 2% copper.
Stands for britannia metal and not silver . " ep " and " epns " - silver plate period
银饰虽然千变万化,但也比较容易受腐蚀而变旧发黑,因此保养也相当重要。