floorway桥面系统floorn.地面；地板；楼层；底部vt.铺地板；击倒；(油门)踩到底floor of number数的下整数floor practices场上基本技术训练floor component地板部件floor officials[经] (交易所内)市场交易管理人员floor strutting木楼板搁栅撑floor polishing楼地面上光floor reinforce底板加固floor structure楼盖结构floor duct work地下管道工程floor rigidness楼盖刚度