“phototube relay”的概念、定义、翻译、参考文献-科学参考

单词	phototube relay
释义	phototube relay [`fōd·ō´tüb `rē´lā] ^ELECTRONICS A photoelectric relay in which a phototube serves as the light-sensitive device.
随便看	bordered bordered pit border facies bordering borderland borderland slope borderline mental retardation borderline psychosis borderline syndrome border-punched card Bordetella Bordini effect bore boreal boreal forest Boreal life zone bore axis bore diameter bore evacuation bore evacuator bore expansion borehole borehole bit borehole logging borehole mining

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