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最近不少讀者来信,要求刊登大型千分尺修理方面的文章。現将上海大隆机器厂张中傑同志的来稿;及本刊約請张志业同志写的来稿同时发表如下:
Recently, many readers wrote a letter asking for the publication of large micrometer repair articles. Presently, the contributions of Comrade Zhang Zhongjie from Shanghai Dalong Machinery Factory; and the articles written by Comrade Zhang Zhiye in this journal meanwhile make the following contributions: