字典網>> 英漢字典>> D開頭詞條>>directional filter的意思 漢英字典directional filter中文翻譯:【計】 方向濾波器英文字典相關詞條:directional microphone directional homing directional transmittion directional element directional control directional overcurrent protection directional control valve directional beam directional overcurrent relay directional solidification