It is used to put through or cut off the airflow in vacuum pipeline.

用于接通或切断真空管路中的气流.

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It is used to put through or cut off the air passage in vacuum pipeline.

阀门用于接通或切断真空管路中的气流.

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It is used to through or cut off the airflow in vacuum pipeline.

用于接通或切断真空管路中的气流.适用介质为纯净空气和非腐蚀性气体.

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