合金钢本质上是碳钢加上其它的元素来改变它的特性，而给合金金属带来一种预期的机械性能。
Alloy steels are basically carbon steels with additional elements added to alter the characteristics and bring about a predictable change in the mechanical properties of the alloyed metal.
本文介绍了锌铝合金的凝固特性，以及凝固微观组织对宏观机械性能的影响。
In this paper, zinc alloy solidification and the influences of solidification microstructure to the macroscopic mechanical properties were presented.
研究了预处理聚酯短纤维用量、取向对其增强胎面胶混炼特性及物理机械性能的影响。
The influences of the amount and orientation of pretreatment polyester short fiber on the physical properties of the reinforced tread and its mixing characteristics were investigated.
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