sound coil 中文意思是什麼
sound coil
解釋
聲蟠-
Since electronic ballasts do not utilize large laminated coils, they operate with lower sound levels as compared to core & coil ballasts
由於電子鎮流器不使用大體積的迭片線圈,所以其工作時的噪音較低。 -
Methods for testing and rating fan coil units, unit heaters and unit coolers - determination of sound power levels of fan coil units, unit heaters and unit coolers using reverberating rooms
風機盤管供暖裝置單元供熱器和單元供冷器試驗和評定方法.第4部分:風機盤管供暖裝置單元供熱器和單元供冷器的混響室聲級測定法
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