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就是能否持久高产和市场上有竞争力。日本人高了几十年,每次都只能持续开采几天,然后就堵住了。中国技术即使高一个数量级,也只能持续几十天,够做什么的。

minbin (光辉岁月)
(#10810126@0)
2017-5-18 -05:00
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