The unique relief valve construction incorporates two channels: one for air, one for water.

独特的安全阀结构，具有两个渠道：一个用于空气，一个用于水。

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Pressure relief valve to prevent over inflation of the air bag.

泄压阀可以避免气囊过分膨胀。

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Pressure relief valve to prevent over inflation of the air bag.

泄压阀可以避免气囊过分膨胀。

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