So we have some conclusion that the vanadium and titanium take effect in the v-ti smil-steel roller with separate out strengthening. it can be evidence improving roller's organizing and using.

为此，本文得出如下结论：v、ti在半钢轧辊中起到了析出强化的作用，可以明显改善轧辊组织性能及其综合使用性能。

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For the Ford F-150, the most popular vehicle on American roads, they take out the inevitable V-8, and replace it with a four-cylinder engine, an average of 22-kilowatt-hour battery packs, and two 60-kilowatt electric motors.

FORBES: Written by Jim Motavalli