指出了舵面间接正向挤压铸造工艺特点，分析了压力的变化和液流的充填性对舵面成形性的影响。
Technology characteristics have been pointed out. Effects of pressure variety and flow fillability on rudder formation have been analysed.
大高径比挤压铸件成形时的一个显著特征是压力沿着轴向分布严重不均。
The distinct characteristic of squeeze casting with larger ratio of height to diameter is (heterogenous) distribution of squeeze pressure.
测定了不同铸造压力下adc12 Z压铸件密度、孔洞面积百分比、孔洞平均直径及力学性能，研究了铸造压力对ADC12 Z压铸件孔洞和力学性能影响。
It was measured that the density, area percentage and average diameter of porosity and mechanical properties of ADC12Z die castings under the different casting pressures.
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