冷气是从上向下走，如果中上层太密，阻挡冷气流通，造成局部地区超低温

来源: 移民大法師于 2019-06-11 18:40:31 [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.