词汇	tunnel floor
释义	tunnel floor 隧道底板,隧洞底部
随便看	rubber tyre coupling rubbertyred rubber tyred rubber-tyred rubber-tyred car rubber-tyred car, rubber-tyred locomotive rubbertyred container gantry crane rubber-tyred container gantry crane Rubber tyred crane rubber tyred gantry crane rubber-tyred haulage rubber-tyred locomotive rubber-tyred power blader rubber-tyred rapid transit rubber-tyred road roller rubber tyred roller rubber-tyred roller rubbertyred tractor rubber tyred tractor rubber-tyred tractor rubber-tyred train rubber-tyred vehicle rubber tyres rubber tyre swing rubber ubvulcanizate