Waelz slag, to give its technical name, is composed mainly of silica but is also undesirably rich in poisonous metals like lead and zinc.
学名是威尔兹的废渣主要由硅土组成,也不可避免的含有诸如铅和锌之类的有毒金属。
单词 | undesirably |
例句 |
原声例句
经济学人-科技 Waelz slag, to give its technical name, is composed mainly of silica but is also undesirably rich in poisonous metals like lead and zinc. 学名是威尔兹的废渣主要由硅土组成,也不可避免的含有诸如铅和锌之类的有毒金属。 |
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