内长 u0026nbsp;13.5cm u0026nbsp; u0026nbsp;14.1cm u0026nbsp;u0026nbsp;14.7cm u0026nbsp;u0026nbsp;15.2cm u0026nbsp;u0026nbsp;15.7cm u0026nbsp;u0026nbsp;16.1cm u0026nbsp;u0026nbsp;16.7cm u0026nbsp;u0026nbsp;17.3cm u0026nbsp;u0026nbsp;18cm u0026nbsp;u0026nbsp;18.7cm u0026nbsp;u0026nbsp;