drawhole
/draw-hohl/US // ˈdrɔˌhoʊl //
抽孔,抽水孔,抽气孔,抽水口
Definitions
n.名词 noun
- 1
Mining.
- : a funnel-shaped vertical opening cut at the bottom of a stope, which permits the loading of ore into conveyances in the passageways below.
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