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Fuel vapor that is not condensed as a result of cooling can escape from the chamber through a float needle valve at the top of the chamber.
冷却时未冷凝的燃料蒸汽通过位于腔室顶部的浮动针阀可以从腔室中逸出。
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The float system includes the float bowl and a float-and-needle valve.
浮子系统包括：浮子室和一个浮子针阀。
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