预应力矫正法对于下挠不十分严重的主梁可直接采用,其方法简单,施工方便,耗时少而效果好 发布时间:2017-07-17 01:05 │ 来源:www.tikuol.com 题型:判断题 问题: 预应力矫正法对于下挠不十分严重的主梁可直接采用,其方法简单,施工方便,耗时少而效果好。
题型:判断题 We had planned to arrive at the park at 9 a.m., but unluckily, the car __ on the way.A.broke awayB.broke downC.broke upD.broke into 查看答案