英语词汇“thermionic tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	thermionic tube
释义	thermionic tube noun : an electron tube in which electron emission is produced by the heating of an electrode
随便看	colletia colletin colletotrichum colletside colley collibert collicle collicular colliculate colliculus colliculus collide collider collidine collidine collie collie collied collier collier colliery collies collieshangie colliest colligate

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