蜂窝煤好像是60年代末才出现？文革以后？

来源: 阿明. 于 2021-10-25 17:08:08 [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.