字典網>> 英漢字典>> D開頭詞條>>directly heated cathode的意思 漢英字典directly heated cathode中文翻譯:【電】 直熱式陰極 英文字典相關詞條:directly-controlled system directly-coupled directly-right recursive directly-attached loop directly grounded directly-executable language directly-left recursive directly-coupled system directly directly heated rotary dryer