飞机每2-3分换空气且是垂直通风可避免疾病扩散和家里空调运作不一样.

来源: 5181 于 2022-12-01 11:22:06 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.