全局：如，二十亿亩耕地中有多少是知青开垦的，具体数据。。。

来源: lky 于 2014-03-20 01:17:07 [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.