“bolthole”的概念、定义、翻译、参考文献-科学参考

单词	bolthole
释义	bolthole [`bōlt´hōl] ^{MINING ENGINEERING} A short, narrow opening made to connect the main working with the airhead or ventilating drift of a coal mine. Also known as bolt.
随便看	excitation energy excitation function excitation index excitation loss excitation potential excitation purity excitation spectrum excitation voltage excitation volume excited state excited-state effect excited-state maser exciter exciter lamp exciter response exciting current exciting line exciton excitron exclusion area exclusion principle exclusive-NOR gate exclusive or exclusive segments exclusive species

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