擇測量 selective amplitude measuring: 選頻振幅測量selective level measuring equipment: 選擇性電平測量設備selective measuring device: 選擇性測量設備selective measuring system: 選擇測量系統(tǒng)selective power measuring device: 選擇性功率測量儀器下載手機詞典可隨時隨地查詞查翻譯