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1.The cycling valve is a critical component of the bike's brake system.
自行车阀门是自行车刹车系统的关键部件。
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2. The cyclist had to adjust the cycling valve to improve performance.
这位骑自行车的人不得不调整自行车阀门以改善性能。
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3. The cycling valve was designed to prevent air from leaking out of the bike during use.
自行车阀门的设计是为了在骑行过程中防止空气泄漏。