Obique bridge is made up of main girder crossbeam and bridge floorings.斜交桥由相互斜交的主梁、梁及桥面板组成,结构受力复杂.Its non - slip floorings are used in factories and public transport.该公司的防滑地板材料被应用在工厂和公共交通工具上.Iithography comprise the: bru...

n.铺地板的材料（如木板和瓷砖）( flooring的名词复数 )...

floorings的音标：...