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破坏指数爆破后留下岩石的破坏可分为由于爆破力造成的爆破感应〈或采矿感应〉破坏和由于岩体中应力的改变造成的应力感应破坏。破坏指数 Dᵢ 指衡量岩石破坏的指标,例如:平硐和平巷掘进时的破坏指标
expl. damage index
破坏指数
tech. failure index
破坏指 数
: 2 phrases in 2 subjects
Earth sciences1
Electronics1

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