With analysis lo-Mg-Al alloy composition C5M4 and of reasonable smelting, heat treatment, permanent casting and other technological measures qualified EMU motor cover can be produced.
通过对合金成分分析，采取合理的熔炼、热处理、金属型铸造等工艺措施，能生产合格的动车组用电机端盖。
With analysis lo-Mg-Al alloy composition C5M4 and of reasonable smelting, heat treatment, permanent casting and other technological measures qualified EMU motor cover can be produced.
通过对合金成分分析，采取合理的熔炼、热处理、金属型铸造等工艺措施，能生产合格的动车组用电机端盖。
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