五层楼式矿床分带
five-storeyed-type” ore zoning
地价楼层分配系数
premium floor partition coefficient
多楼层集中送风
multi-floor air distribution system
多楼层设施布置
multi-floor facility layout
楼层避难安全验证法
every floor evacuation safety validate method
楼层侧移刚度
lateral displacement stiffness of storey