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缸筒是气缸的重要零件。目前,气缸材料趋于采用轻质合金(多为铝合金)。而铝合金在加工过程中,易于产生积屑瘤,造成
Cylinder is an important part of the cylinder. At present, the cylinder material tends to use light alloy (mostly aluminum). The aluminum alloy in the processing, easy to produce BUE, caused