“miniature electron tube”的概念、定义、翻译、参考文献-科学参考

单词	miniature electron tube
释义	miniature electron tube [`min·ǝ·chǝr i`lek´trän ´tüb] ^ELECTRONICS A small electron tube having no base, with tube electrode leads projecting through the glass bottom in positions corresponding to those of pins for either a seven-pin or nine-pin tube base.
随便看	petroleum processing petroleum products petroleum refining petroleum resin petroleum secondary engineering petroleum seep petroleum sulfonates petroleum tailings petroleum tar petroleum trap petroleum wax petroliferous petrologen petrologist petrology petromict petromorph petromorphology Petromyzonida Petromyzontiformes petrophysics petrosal nerve petrosal process Petrosaviaceae petrotectonics

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