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详细论述了加工钢头铝裙活塞的关键工艺及应注意的问题，经实践证明该工艺是可行的，可供其他活塞生产厂家参考。
The key process of aluminum head skirt machining with steel head and problems that should be noticed are discussed in detail. The practice proves that the process is feasible and can be used for reference by other piston manufacturers.