Mold filling characteristics of Al alloy in vacuum lost foam low pressure casting (VLFLPC) under counter gravity condition were examined.
试验研究了反重力浇注条件下，铝合金消失模真空低压铸造的充型流动特性。
Changes in hydrogen content in liquid aluminum were measured under different relative humidity of compressed air in low pressure die casting.
在不同的压缩空气相对湿度下，试验测定了低压铸造过程中液态铝合金氢含量的变化。
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