tunnel set(狩猎)隧洞装夹(法)
tunneln.隧道;地道;洞穴v.挖地道;挖隧道
tunneling across deep weathered channel过风化深槽
tunnel construction with shield machine盾构隧道
tunnel driving crossing underneath river过江施工
tunnel electric power supervisory system隧道电力监控系统
tunnel construction underneath buildings下穿建筑物
tunnel of the passenger-dedicated line客运专线隧道
tunnel buried shallowly with large-scan大跨度浅埋隧道
tunnel diode negative resistance oscillator隧道二极管负阻振荡器