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为延长活塞的使用寿命,国外多采用锒钢圈的铝活塞。为适应新产品开展的需要,向用户提供高质量的汽车及为打进国际市场奠定基础,二汽工艺研究所
In order to prolong the service life of the piston, the foreign use of aluminum rims steel ring. In order to meet the needs of new products to provide users with high-quality cars and to enter the international market and lay the foundation for two steam Institute of Technology