中新网社会新闻: 从焊工到大师：中国高铁“绝代双骄”成长记

中新网社会新闻

从焊工到大师：中国高铁"绝代双骄"成长记 Apr 19th 2019, 14:00 　　(爱国情 奋斗者)从焊工到大师：中国高铁"绝代双骄"成长记

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