The bottom of the disc is guided by the body seat ring for maximum disc stability in throttling applications.

阀瓣底部由阀体阀座环引导，最大限度提高阀瓣在节流应用中的稳定性。

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The bottom of the disc is guided by the body seat ring for maximum disc stability in throttling applications.

阀瓣底部由阀体阀座环引导，最大限度提高阀瓣在节流应用中的稳定性。

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