The computation of the roll opening is the basis of tool design and parameters adjustment of skew rolling piercer.

斜轧穿孔机轧辊开度计算是轧机工具设计和调整参数计算的基础。

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Dimitrov is also on a roll, having followed up his opening victory over world No. 10 Janko Tipsarevic by beating Germany's Florian Mayer 6-2 6-4.

CNN: Nadal 'relaxed' as rivals struggle at Monte Carlo Masters

And then, after they've made their opening statements and remarks, then we'll kick the press out, and everybody will roll up their sleeves and we'll get to work.

WHITEHOUSE: President Obama Calls for New Steps to Prepare Children for College and Careers | The White House