[更多>>]
Copyright © 2012-2014 题库网 Inc. 保留所有权利。 Powered by tikuer.com
页面耗时0.0259秒, 内存占用1009.02 KB, Cache:redis,访问数据库16次
评论:综合考虑行车排水和通风,公路隧道的纵坡i应是( )。A.0.1%≤i≤1% B.0.3%≤i≤3% C.0.4%≤i≤4% D.0.5%≤i≤5%
[更多>>]