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单词 sublevel stoping
释义 sublevel stoping
[¦sǝb`lev·ǝl `stōp·iŋ]
MINING ENGINEERING
A mining method involving overhand, underhand, and shrinkage stoping; the characteristic feature is the use of sublevels which are worked simultaneously, the lowest on a given block being farthest advanced and the sublevels above following one another at short intervals.
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