輸入需要查詢的關鍵字：
詞語：quadrode
quadrode的解釋
quadrode[kwɔ'drəud]n. [物]四極管
quadrode的意思
quadrode 四極管;四極真空管;quadrode tetrode 四極管;field-effect quadrode 場效應四極管;four-element tube quadrode tetrode 四極管;field-effect quadrode field-effect tetrode 場效應四極管;