我们得到了一个很简单的结果,这个公式叫做van’t，Hoff公式，这个公式和理想气体公式很相似。

So we have a very simple expression which is called the van't Hoff expression, and look at how it resembles the ideal gas law.

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结果表明为了得到理想的制品外观和性能，需要对挤出螺杆、加工工艺参数、型坯设计和拉伸比进行改进。

The results showed to produce product with perfect appearance and property, modifications of screw, processing parameter, parison design and stretch ratio should be made.

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你需要尝试不同的值来得到理想的结果。

Youneed to play around with its value to get the ideal result.

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