畝產幾千斤糧說明錢當初的說法並不離譜

來源: SAR 於 2019-02-01 14:16:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

工程係數。

何況誰知道將來的農業技術會創造什麽奇跡

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