free access floor
免费接入层
词典结果：
free access floor
[英][fri:ˈækses flɔ:][美][fri ˈæksɛs flɔr]
活动地板;
网络释义
1.自由存取,自由入口
2.活地板
例句:
The free offer not only includes admission to the massive exhibition floor both days,it also includes free access to a wide variety of roadway safety workshops.