[der] 隧道开挖。挖掘隧道。
tunnel drive, drive, excavation, tunnelling, tunnel driving
[der](不可数) (矿脉
)
层。覆盖物。挖掘。发掘。废料。废物。垃圾。剥离工作。净化室。净化空间。
overburden, spoil, excavated material, excavation, strippings, waste material, overlay, barren rock, cap rock
[die]挖掘。发掘。开凿。文物发掘工作。
excavation, dig, digging, burrowing
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