字典網>> 英漢字典>> D開頭詞條>>directional lobe的意思 漢英字典directional lobe中文翻譯：【電】 定向波瓣英文字典directional lobe英文字典相關詞條：directional counter directional overcurrent relay directional overcurrent protection directional filter directional comparision protection directional reception directional directional control directional comparision relay directional hydrophone