[更多>>]
Copyright © 2012-2014 题库网 Inc. 保留所有权利。 Powered by tikuer.com
页面耗时0.0210秒, 内存占用1009.38 KB, Cache:redis,访问数据库16次
评论:全淹没系统干粉灭火剂喷射时间一般不大于( ) ,干粉贮罐的增压时间也不大于( )A.30s,30s B.20s,30s C.30s,20s D....
[更多>>]