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原活塞支承座产品为二号锌合金材质,用于汽车真空增压器总成,要求其承压强度不低于69MPa。根据生产实践,改用铁基粉末冶金产品完全可以满足其性能要求。
The original piston bearing seat for the second zinc alloy material for automotive vacuum turbocharger assembly, requiring its bearing strength of not less than 69MPa. According to the production practice, the use of iron-based powder metallurgy products can fully meet the performance requirements.