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goaf 采空區; 不含礦的巖石 采空區; 不含礦的岩石 Gove \Gove\ (g[=o]v), n. [Also {goaf}, {goof}, {goff}.]
A mow; a rick for hay. [Obs.] --Tusser. [1913 Webster] Goaf \Goaf\; n.; pl. {Goafs}or {Goaves}. [Cf. 1st {Gob}.] (Mining) That part of a mine from which the mineral has been partially or wholly removed; the waste left in old workings; -- called also {gob} . [1913 Webster] {To work the goaf} or {To work the gob}, to remove the pillars of mineral matter previously left to support the roof, and replace them with props. --Ure. [1913 Webster] |
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