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由一机部、第二重机厂和第一设计院组成的“一机部大型铸锻件技术考察团”一行十五人于八月二十二日至九月二十六日访问了日本。考察团重点地在日本制钢所的室兰制作所进行了两周的技术考察访问活动,对该厂的老厂技术改造以及有关冶炼、铸锭、铸造、锻造、热处理、机械加工各专业生产技术及生产管理等方面都作了较为详尽的学习和调查,双方并就第二重机厂与室兰制作所在大型铸锻件技
The fifteen members of the “One-machine department large-scale casting and forging technology survey delegation” consisting of the First Division, the Second Heavy Machinery Plant, and the First Design Institute visited Japan from August 22 to September 26. The mission focused on a two-week technical visit to the Muran Plant of the Japan Steel Institute. The technical transformation of the old plant of the plant and the related professional production of smelting, ingot casting, casting, forging, heat treatment and machining Technical and production management have made detailed studies and investigations. Both sides have also conducted large-scale casting and forging techniques for the second heavy machinery factory and Murang.