We introduce a method of examining oxygen pipeline divulgence using oxygen concentration meter.

介绍一种用氧浓度仪检测的方法来检测氧气管道泄漏。

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We introduce a method of examining oxygen pipeline divulgence using oxygen concentration meter.

介绍一种用氧浓度仪检测的方法来检测氧气管道泄漏。

youdao