And this paper also presents the ways to reduce the unfavorable influence of water-chilling packages with freon R123 and R134a on environment.是什么意思_And this paper also presents the ways to reduce the unfavorable influence of water-chilling packages with freon R123 and R134a on environment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句