• So far, there is no simple and easy formula to calculate time of filling gas into the vacuum container.

    真空容器充气时间的计算 ,至今尚无简易方便的计算公式。

    youdao

  • The invention discloses a device and a method for measuring a volume ratio of a vacuum container by a linear vacuometer, and belongs to the technical field of measurement.

    本发明的一种用线性真空计测量真空容器容积比的装置及方法,属于测量技术领域。

    youdao

  • The invention discloses a device and a method for measuring a volume ratio of a vacuum container by a linear vacuometer, and belongs to the technical field of measurement.

    本发明的一种用线性真空计测量真空容器容积比的装置及方法,属于测量技术领域。

    youdao

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