| 单词 | sump shaft |
| 释义 | > as lemmassump shaft sump shaft n. Mining (now chiefly historical) a shaft that has a sump (sense 2a) or that provides access to different levels of a mine (cf. sense 2b). ΘΚΠ society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > shaft > other types stulm1693 whim-shaft1759 sump shaft1778 channel1816 staple1818 incline shaft1842 raise1877 stair-pit1883 subshaft1889 1778 W. Pryce Mineralogia Cornubiensis 171 Sumph shaft western bottoms. 1869 R. F. Burton Explor. Highlands Brazil I. xxv. 249 Higher up the [pumping] process is carried on by the plunger-bolts, until the water is conveyed through the sump-shaft to the surface. 1913 Amer. & Eng. Annotated Cases XXVIII. 20/1 There was a ‘sump’ shaft, with a cage in it, communicating between the two levels [of a mine]. This the men often used, although it was dangerous. 2013 Western Morning News (Plymouth) 13 July (Art & Antiques section) 4 Unusual photographic postcards and images including..a group of miners at the new sump shaft Old Dolcoath. < as lemmas |
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