The influence of graphite sand on the microstructure and mechanical properties of magnesium alloys were studied, and the black spot defeat on magnesium alloy castings were investigated.
前言：研究了石墨砂对镁合金组织和性能的影响，并对铸造过程中产生的“黑点” 缺陷进行了分析。
The influence of graphite sand on the microstructure and mechanical properties of magnesium alloys were studied, and the black spot defeat on magnesium alloy castings were investigated.
前言：研究了石墨砂对镁合金组织和性能的影响，并对铸造过程中产生的“黑点” 缺陷进行了分析。
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