为满足列车提速的要求,下列做法正确的是( ) A.减小铁路弯道处的半径 B.增大 发布时间:2017-06-02 09:40 │ 来源:www.tikuol.com 题型:多选题 问题: 为满足列车提速的要求,下列做法正确的是( )A.减小铁路弯道处的半径B.增大列车发动机的功率C.增大铁路弯道处内外轨的间距D.加大铁路弯道处内外轨的高度差
题型:多选题 Having questioned the spy for two days, the officer didn't ______ any valuable information. [ ]A. associate B. obtain C. reform D. cast 查看答案