floormat(此指)车上的垫子floorn.地面；地板；楼层；底部vt.铺地板；击倒；(油门)踩到底floor surface crack地表裂缝floor to floor time时间间断floor sanding paper粘砂刚纸floor support plate楼承板floor heat-supply地板采暖floor lattice shell落地球形网壳floor pressure arch底板压力拱floor type carryall地行式铲运机Floors are slippery路滑floor heating cable地热电缆