单词 | top slicing and cover caving |
释义 | top slicing and cover caving [`täp ´slīs·iŋ ǝn `kǝv·ǝr ´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. |
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