... 铸造收缩 contraction of casting 收缩率 contraction percentage 铸尺，锻尺 contraction rule ...
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The self-compensated contraction caused by graphite dilatation in the solidification process of nodular cast iron makes casting with less flow-off or casting without flow-off possible.
利用球墨铸铁凝固过程中的石墨化膨胀，进行自身补缩，可以实现少胃口或无冒口铸造。
The casting fluidity, ratio of line contraction, casting stress and heat crack tendency were tested.
分析测定了中铬抗磨铸钢的流动性、缩孔率和铸造应力。
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