“underhole”的概念、定义、翻译、参考文献-科学参考

单词	underhole
释义	underhole [`ǝn·dǝr´hōl] ^{MINING ENGINEERING} To mine out a portion of the bottom of a seam, by pick or powder, thus leaving the top unsupported and ready to be blown down by shots, broken down by wedges, or mined with a pick or bar.
随便看	myocardium myocardosis myoclonic epilepsy myoclonic status myoclonus myocoel myocomma myocyte Myodaria Myodocopa Myodocopida Myodopina myodystrophy myoelastic fiber myoelectric potential myofascitis myofibril myofilament myofrisk myoglobin myoglobinuria nuclear magnetic resonance spectrometer nuclear magnetic resonance tomography nuclear magnetism nuclear magnetometer

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