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标准气体的检测概况

来源:hszymm.com 时间:2019-08-30

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  标准气体的检测概况

  在规定的时间间隔和环境条件下,标准气体的特征值保持在规定的范围内,不与气瓶和阀门发生反应,气体不发生化学反应。在不同的温度和压力下有着匀性的状态,各部件的特征量在规定范围内,在测量时候准确值较高。

标准气体的检测概况

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