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阀门用于接通或切断真空管路中的气流。
It is used to put through cut off the air passage in vacuum pipeline.
youdao
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CC Q型气动超高真空插板阀用于接通或切断真空管路中的气流。
It is used to put through or cut off the air passage in vacuum pipeline.
youdao
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CC Q型气动超高真空插板阀用于接通或切断真空管路中的气流。
It is used to put through or cut off the air passage in vacuum pipeline.
youdao