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北京市技术交流站与七机部七○八所,于四月在北京召开了铁削测力仪鉴定与交流会。我们选择了经验交流的一则,并请作者加以充实。
Beijing Technology Exchange Station and Seventh Ministry of Machine 708, held in April in Beijing iron cut dynamometer identification and exchange meeting. We chose one of the exchange of experience, and asked the author to enrich it.