字典網>> 英漢字典>> D開頭詞條>>directional pattern的意思 漢英字典directional pattern中文翻譯：【電】 定向模式字典網directional pattern相關詞條：directional directional separation filter directional comparision relay directional control directional element directional hydrophone directional comparision protection directional microphone directional solidification directional coupler