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一、前言为适应引进机国产化的需要,我所与408厂联合对12PA 6 V280型柴油机汽缸体进行了试制。经过大量的准备工作和工艺性材质试验,终于成功地连续浇出三个12缸汽缸体。经
I. Preface In order to meet the needs of the localization of imported machines, we have jointly trialled the 12PA 6 V280 diesel engine cylinder block with 408 factory. After a large number of preparatory work and materials testing technology, and finally succeeded in pouring three consecutive 12-cylinder cylinder block. through