[紡織 造紙] 中間換向開關 aerial change-over switch: 天線轉換開關antenna change over switch: 天線轉換開關antenna change-over switch: 天線轉換開關battery change -over switch: 起動轉換開關bus change-over switch: 匯流排換向開關下載手機詞典可隨時隨地查詞查翻譯