蓄电池内部电解液中含有过量的铜、铁等金属杂质,可能会造成蓄电池极板硫化。 发布时间:2020-01-30 13:41 │ 来源:www.tikuol.com 题型:判断题 问题: 蓄电池内部电解液中含有过量的铜、铁等金属杂质,可能会造成蓄电池极板硫化。
题型:判断题 Here are the photos of my favourite football players in Beijing.A.who were taken B.that took C.which I was taken D.that were taken 查看答案