Sound insulation prevents noise. The hollow glass of inclined housetop scuttle can be blocked go noise of 30 decibel above.是什么意思_Sound insulation prevents noise. The hollow glass of inclined housetop scuttle can be blocked go noise of 30 decibel above.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句