中國適合幹大事，植樹退耕，5年一個樣，真佩服

來源: 宗闋於 2021-01-22 15:50:04 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

好像滴灌技術，還有土壤改良什麽的

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