你必须快速准确地计算。

You must figure accurately and quickly.

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计算结果表明，此法能够准确地计算保温层的保温效果。

The results show that this method can correctly calculate the effects of the heat preservation layer.

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因此，准确地计算卷筒的径向压力对于带钢热连轧是非常重要的。

Soit is very important to compute the scroll pressure accurately for the hot striptandem rolling.

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