three electrode tube〔名词〕三极管详细»
three electrode tube〔名词〕三极管详细»
three electrode tube〔名词〕三级真空管详细»
three electrode tube〔名词〕三极真空管详细»
三极管audion;three electrode tube;triode详细»
三极管three element tube;triode详细»
三极管aerotron;three electrode tube;three electrode valve;triode详细»