Never stop smiling, not even when you're sad, someone might fall in love with your smil.
永远不要停止微笑，即使是在你难过的时候，说不定有人会因为你的笑容而爱上。
Never frown, even when you are sad, because you never know who is falling in love with your smil.
纵然伤心，也不要愁眉不展，因为你不知谁会爱上你笑容。
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。
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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