Based on the results, expanding-ratio is important to dimensional precision of finished products.
结果表明，扩径率是影响制品横断面尺寸精度的一个主要因素。
The dimensional precision and standard of plastic product and difference between plastic shrinking featured value and shrinkage were described.
介绍塑料件的尺寸精度、塑料件尺寸公差标准，以及塑料收缩特性值同收缩率的区别和计算方法。
In multi pass hot bar rolling, there are many complicated influences which may affect the final dimensional precision and mechanical properties.
棒材热连轧生产过程中，影响产品最终尺寸精度和性能的因素较多。
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