这是原因之一，汽车制造商提供一个阀门，把空气离开汽车发动机冷却系统。

This is one reason why car manufacturers provide a valve to throw the air away from the car engine cooling system.

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等分式动力卡盘广泛使用于数控车床、自动化专机上，应用于汽车、内燃机、发动机、冷冻机阀门、暖通等行业。

Divider power chuck is widely applied for numerical control machine tool, automation special machine, automobile, internal combustion engine, engine, refrigerator valve, heating ventilation, etc.

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现代汽车发动机里的阀门位于发动机顶上的汽缸盖。

Valves in modern car engines are located in the cylinder head at the top of the engine.

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