Bedeutungen
[der] 废物，废料
waste material, waste product, waste matter
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[der](不可数) (矿脉上面的)地表层。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