| 释义 |
top slicing and cover caving top slicing and cover caving[′täp ‚slīs·iŋ ən ′kəv·ər ‚kāv·iŋ] (mining engineering) A mining method that entails the working of the ore body from the top down in successive horizontal slices that may follow one another sequentially or simultaneously; the overburden or cover is caved after mining a unit. |