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我国第一台自行设计、制造的锻焊结构热壁加氢反应器,已由第一重型机器厂制造完工。1989年3月召开了完工汇报会,随后将投
China’s first self-designed, manufactured forged welded hot wall hydrogenation reactor, has been completed by the first heavy machinery factory. March 1989 held a completion report, then vote