| 释义 |
dib-hole Mining.
[app. f. dib, variant of dub + hole.]
The hole at the bottom of the shaft, which receives the drainage of a mine, in order to its being pumped to the surface; also called sump.
1883Pall Mall G. 2 Oct. 8/2 As the cage was being brought up the rope broke..The cage was precipitated into the dibhole and the scaffolding smashed. 1892Daily News 11 Jan. 3/6 Examining the dib hole at the bottom of the pit shaft. |