問題的關鍵是H從哪裏來最廉價：從油氣中提取氫最廉價且可以大規模生產。油氣是化肥生產的主要原料。

來源: tzbcwbc 於 2015-07-22 10:10:50 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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