不存在损害吧？只是调节气流的出处不同，制冷或制热取决于温度杆的设定

来源: obamacome 于 2014-10-03 15:40:33 [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.