The effect of counter-pressure casting parameters on secondary dendrite arm spacing (SDAS)of A357 alloy was studied.
研究了差压铸造不同工艺参数对A357合金二次枝晶间距的影响。
2
In this article, it is emphasized, through explanations and analysis that the correct position of head and the free arm plays an important part in casting techniques.
通过本篇的叙述与分析，进一步强调头与非投掷臂的正确动作，在投掷技术中的重要意义。
3
The bow-shaped frame slab cast (2) is formed by integrally casting a bow-shaped frame upper arm (21), a bow-shaped frame lower arm (22) and a bow-shaped frame lateral slab (28).