对于精轧道次而言，准确预报轧制力对好的产品形状至关重要。
For finishing passes, accurate force prediction is critical to a good product shape.
在精轧道次中，对于一定准确度的二级模型，两个相互矛盾的因素应妥协到一定的程度以实现一定的产品质量。
In the finishing passes, two contradictory factors should be compromised for a given accuracy of the Level 2 model in order to achieve the proper product quality.
经研究认为，精轧过程中的道次间隔时间是造成力学性能差异的主要原因。
It can be concluded that the interval in pass during finish rolling is an important reason to affect the mechanical properties of X70 pipeline steel.
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