The frequency spectral analyses show that the second ignition method could weaken and restrain the high frequency vibration, improve the characteristic of vibration in high loading density charge.是什么意思_The frequency spectral analyses show that the second ignition method could weaken and restrain the high frequency vibration, improve the characteristic of vibration in high loading density charge.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句