This expansion ratio also allows atmospheres of oxygen-enriched air to form in the area surrounding a release.

该膨胀率还导致排气口附近区域形成富氧气氛。

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This expansion ratio also allows atmospheres of oxygen-enriched air to form in the area surrounding a release.

该膨胀率还导致排气口附近区域形成富氧气氛。

youdao