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微差爆破机理
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微差爆破机理
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爆破理论
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mechanism of millisecond delay blasting
微差爆破机理
多个炮孔或多排炮孔起爆时,相邻炮孔间或排间通过设定毫秒级的时间间隔,控制炸药起爆顺序和延期时间的控制爆破技术(图1)。
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countable model
countable ordinal number
countable potency
countable product
countable semiadditivity
countable set
countable simplicial complex
countable space
countable subadditivity
countable subset
countable sum axiom
countable superadditivity
countable support iterated forcing
countable system
countable transitive model
countable union
countable-valued logic
countable weight
countably additive
countably additive algebra
countably additive class
countably additive family
countably additive function
countably additive measure
countably compact
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