The present generation of the design can transmit fairly high power cords levels over two to three feet, with 75 percent power efficiency, according to Rattner.是什么意思_The present generation of the design can transmit fairly high power cords levels over two to three feet, with 75 percent power efficiency, according to Rattner.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句