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。

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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。

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An insulated container used especially to store liquefied gases, having a double wall with a vacuum between the walls and silvered surfaces facing the vacuum.

特别指用于贮藏液态气体的真空容器，有双层壁，壁间为真空，接触真空的表面镀银。

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