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Chapter 876 Invitation from Tokyo Exhibition
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Chapter 878 Tokyo news
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... nternational".
Because he has won the departmental railway steel plan from the leader Jia of the Ministry of Railways, Zhao Guoyang naturally went to the research institute to confirm the progress of "high-carbon low-alloy steel rails".
When Zhao Guoyang rushed to the "Ship Industry-Special Materials" research institute, he was pleased to find that the "high-carbon low-alloy steel rail" developed by his research institute had expanded from the original 38 and 43kg/m Three types o ...
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