“coated filament”的概念、定义、翻译、参考文献-科学参考

单词	coated filament
释义	coated filament [`kōd·ǝd `fil·ǝ·mǝnt] ^ELECTRONICS A vacuum-tube filament coated with metal oxides to provide increased electron emission.
随便看	sonar transmitter sonar window sondage sonde Sondhauss tube sone son file sonic sonic altimeter sonic anemometer sonicate sonic barrier sonic bearing sonic boom sonic chemical analyzer sonic cleaning sonic delay line sonic depth finder sonic drilling sonic fix sonic flaw detection sonic line of position sonic liquid-level meter sonic logging sonic navigation

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