主要产品为销轴，阀块，活塞，衬套等，主要应用于工程机械，风力发电机，食品包装机械三个领域。
Our main products include pin, block, piston and sleeve, which are mainly used in engineering machine, wind generator and food package machine.
据此提出了活塞结构改进设计措施，采用了在活塞销孔内嵌入铸铝青铜衬套结构。
It proposes measures of improving piston structure design and adopts the structure of cast aluminum bronze embedded in the hole in the piston pin bushing.
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