字典網>> 英漢字典>> D開頭詞條>>direct hierachy control的意思 漢英字典direct hierachy control中文翻譯：【電】 直接階組控制direct hierachy control相關詞條：directily excited antenna direct material price variance directly-coupled system Direct Blue 2B directory area directory direct irritation direct light reflex direct fired heater directivity signal