tunneln.隧道；地道；洞穴v.挖地道；挖隧道tunnel depth隧道埋深tunnel-typen.隧道式tunnel groups隧道群tunnel visionn.[医](眼科)管状视；视野狭隘tunnel debris隧道碴tunnel anchor遂洞式地锚tunnel access隧道入口tunnel shield隧道盾构tunnel number遂道数tunnel repair巷道修复