基尔霍夫第二定律的内容是:对任一闭和回路而言,()。 发布时间:2020-05-28 13:05 │ 来源:www.tikuol.com 题型:填空题 问题: 基尔霍夫第二定律的内容是:对任一闭和回路而言,()。
题型:填空题 There were so many people on the platform waiting to ____ the train that we gave it up. A.check B.carry C.find D.board 查看答案