The geometric mean peak current of return strokes is 11.9 kA with a range from 6.6 kA to 21.0 kA.是什么意思_The geometric mean peak current of return strokes is 11.9 kA with a range from 6.6 kA to 21.0 kA.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句