Intermediate and wet-weather tyres have full tread patterns, necessary to expel standing water when racing in the wet.

中性胎和湿地胎上都有完整的胎面花纹，这些胎面花纹在湿地比赛时用来排水的。

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Last year the challenge was the weather, and we saw our wet tyres used for most of the race.

去年挑战是天气，雨胎在比赛的大部分时间里被使用。

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In a chaotic final couple of laps, Heidfeld jumped from eighth to third place on the track with what he called a "hero or zero decision" to come in for wet-weather tyres with two laps to go.

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