动词 tunnel:

1. move through by or as by digging

2. force a way through

tunneln.隧道；地道；洞穴v.挖地道；挖隧道tunnel work隧道掘进工作,开挖隧道tunnel test隧道试验tunnel form隧道模板tunnelplane沟道板慢波电路tunnel gate洞口tunneldioden.隧道二极管tunnel span洞跨tunnel roof隧道洞顶tunnel ring隧道圈tunnel pits隧道孔

1. This paper expounds in detail the tunneling technical points and quality control methods of TBM.
   详细阐述了全断面隧洞掘进机掘进技术要点和质量控制方法。
2. Due to its uncontinuity of operation, its tunneling efficiency is greatly influenced.
   由于其作业的不连续性，影响了其掘进效率的发挥。
3. The phenomenon was explained with tunneling theory and flat band model.
   对于上述现象用隧穿理论以及直带模型进行了解释。
4. In this Paper, the coherent transport characteristics of electrons tunneling through a quantum dot are investigated.
   摘要研究了电子隧穿通过量子点的相干输运特性。