To tackle the problem in the course of rolling straightening to crankshafts, the expert system to direct the operation of crankshaft rolling straightening is designed.

针对曲轴滚压校直过程中出现的问题，设计出指导曲轴滚压校直操作的专家系统。

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The home side were penalised for not rolling away from the tackle and full-back Cook slotted over.

BBC: Bristol 19-12 Cornish Pirates

The Irish side made the breakthrough shortly after Clermont's Vilimoni Delasau was sin-binned for not rolling away from a tackle.

BBC: Munster 36-13 Clermont Auvergne

Giant prop Andrew Sheridan was yellow carded for not rolling away in the tackle and Carter's third penalty meant the hosts led 23-6.

BBC: New Zealand 37-20 England