| 单词 | shot-firing |
| 释义 | > as lemmasshot-firing shot-firing n. ΘΚΠ society > occupation and work > industry > mining > [noun] > explosion of blasting charge > detonating shot-firing1884 1884 Engineering 31 Oct. 420/2 (heading) Shot-firing in mines. 1959 Times Rev. Industry Feb. 14/1 For many years the infusion of coal in situ by water under pressure has been employed to reduce the dust hazard. Recently this procedure has been combined with that of shot-firing. < as lemmas |
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