“caving”的概念、定义、翻译、参考文献-科学参考

单词	caving
释义	caving [`kāv·iŋ] ^{MINING ENGINEERING} A mining procedure, used when the surface is expendable, in which the ore body is undercut and allowed to fall, breaking into small pieces that are recovered by passages (drifts) driven for that purpose; sublevel caving, block caving, and top slicing are examples. ^{PETROLEUM ENGINEERING} Collapsing of the walls of a wellbore. Also known as sloughing.
随便看	southerly burster Southern Cross Southern Crown Southern Fish southern lights Southern Polar Front Southern Triangle south foehn south frigid zone south geographical pole south geomagnetic pole South Indian Current southing South Pacific Current south point south polar distance South Pole south pole south temperate zone south tropical disturbance southwester sou'wester souzalite sow sow block

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