[der]


开挖。挖掘


。
tunnel drive, drive, excavation, tunnelling, tunnel driving
[der](

可数) (矿脉

面的)地表

。


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