hard lead
hard lead是什么意思、hard lead怎么读
【化】 硬铅; 铅锑合金
hard lead汉语翻译
【化】 硬铅; 铅锑合金
hard lead英语解释
名词 hard lead:
- a lead alloy that contains about 5% antimony同义词：antimonial lead
- unrefined lead that is hard because of the impurities it contains