加强绝缘子全过程管理,应全面规范绝缘子选型、招标、监造、()及安装环节。A.试验 B 发布时间:2017-11-09 10:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 加强绝缘子全过程管理,应全面规范绝缘子选型、招标、监造、()及安装环节。A.试验B.生产C.验收D.选材
题型:单项选择题 It's reported that a plane with five people______crashed into the mountain several days ago.A. on board B. on the board C. in board D. in the board 查看答案