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航天工业部薄板焊接技术交流会于11月21日至25日在北京召开。部内研究所、工厂和高校等单位60多位代表参加了会议。 会上有20多篇论文分别围绕薄板焊接电
Aerospace Industry Ministry of sheet metal welding technology exchange was held in Beijing on November 21 to 25. More than 60 representatives from institutes, factories and universities attended the conference. More than 20 papers were held around the sheet welding at the conference