按重量计含铁80%,含铜15%,含银3%,含金2%的金属合金(未经锻造;非货币用)( 发布时间:2017-07-05 05:36 │ 来源:www.tikuol.com 题型:填空题 问题: 按重量计含铁80%,含铜15%,含银3%,含金2%的金属合金(未经锻造;非货币用)( )
题型:填空题 We offered him our congratulations ________his passing the college entrance exams.A.atB.onC.forD.of 查看答案