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Aл1铝合金是一种性能良好的活塞合金,广泛的用于制造内燃机活塞及汽缸头等在高温下工作的零件。许多工厂在制造活塞时都不大敢利用回炉料,每次
All aluminum alloy is a good performance piston alloy, widely used in the manufacture of internal combustion engine piston and cylinder head work at high temperature parts. Many factories do not dare to use the back charge every time they make a piston