刮瓦其实就是刮削曲面，通常是内孔面，目的和平面刮削一样，改善接触条件，生成储油小凹点，改善润滑。
根据分析结果，找到油温升高的主要原因是由于带油不畅和供油量不足引起，提出刮瓦和改造低压供油装置的措施。
The main reasons resulting in the high oil temperature is that the oil starvation and the gap geometry shape between the bush and the trunnion is not suitable to the dynamic lubricant conditions.
几个月前，斯利瓦斯塔瓦在多伦多的一个便利店买了一些刮彩。
A few months ago, Srivastava bought some scratch tickets at convenience stores in Toronto.
这些是便宜的刮刮乐——打壁球的伙伴送给他的一个开玩笑的礼物——斯利瓦斯塔瓦开始琢磨这些彩票会不会中奖。
The tickets were cheap scratchers-a gag gift from his squash partner-and Srivastava found himself wondering if any of them were winners.
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