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mining goaf
释义
mining goaf
Encyclopedia
理学
矿山地质环境调查
释
mining goaf
采空区
井下开采的矿山,将原生矿体切割采出后形成的地下空间。
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perpetual day
perpetual inheritance
perpetual motion machine
perpetual motion machine of the firs
perpetual motion machine of the first kind
perpetual motion machine of the second kind
perpetual motion of the second kind
perpetual night
perpetuant
perpetuation of evidence
perpetuity
Perpignan
per protocol analysis
Per Protocol Set
perradius
Perrin
Perrine crater
Perrin experiment
Perrin, Jean Baptiste
Perron
Perron-Brélot solution
Perron continued fraction
Perron formula
Perron-Frobenious equation
Perron-Frobenius operator
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