钻: drill; auger挖: dig; excavate; scoop的: 4次方是 The fourth power of 2 i ...隧道: tunnel; tunneling; tunnellin ...钻挖隧道: bored tunnel废弃的隧道: disused tunnel最后的隧道: le dernier tunne; the last tunnel隧道钻挖工程: tunnel boring不规则的隧道: il fractal tunnel光的隧道效应: optical tunneling修饰过的隧道: trimmed tunnel岩石隧道钻挖机: hard rock tunnel boring machine盾构掘进的隧道: shield-driven tunnel金属衬固的隧道: metal-lined tunnel露天开掘的隧道。: opencut tunnel无坑木支撑的隧道: untimbered tunnel挖填方式兴建的隧道: cut and cover tunnel幸福在时光的隧道里穿梭……: shuttle back and forth in the happy tunnel in time ……挖填方式兴建的隧道(明挖式隧道): cut and cover tunnel奥地利挑选出来的隧道安全比较分析: a comparative risk analysis for selected austrian tunnels让我们穿过时空的隧道去旅行: let"s take a trip through the wires永久性安装在船舱中的隧道顶推装置: standard specification for thrusters tunnel permanently installed in marine vessels中心排风口的隧道式干燥机: centre exhaust tunnel drier饥饿的醉汉把一大箱肺投进了水渠下面的隧道: the hungry drunk plunged a trunk of lungs into the tunnel under the channel易挖的: east digging