spongy copper的意思|示意
美 / ˈspʌndʒi: ˈkɔpə /
英 / ˈspʌndʒi ˈkɑpɚ /
海棉铜
spongy copper相关短语
1、 spongy-copper 海绵铜
spongy copper相关例句
A hard problern is free from impurity iron in tbe preparation of cupric sulfate from spongy - copper.
用海绵铜生产硫酸铜,其困难在于除铁杂质.
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