METHODS Compulsive Ventilation was strenghened and exhaust system was made sure to be working and be cleaning and disinfected periodically.是什么意思_METHODS Compulsive Ventilation was strenghened and exhaust system was made sure to be working and be cleaning and disinfected periodically.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句