tunnelingn.掘进;开挖隧道;遂道工程;隧穿动词tunnel的现在分词形式.
tunneln.隧道;地道;洞穴v.挖地道;挖隧道
tunnel ventilation隧道通风
tunnel exploration坑探工程
tunnel and blow up掘进爆破
tunnel diode logic隧道二级管逻辑
Tunnel perforation巷道贯通
tunnel arrangement巷道布置
tunneling sequence掘进顺序
tunnelluminescence荧光膜光辐射, 荧光膜发光
tunnel water flush隧道涌水
tunnel development平峒开拓