The calculation of the volume of gas storage tank was a approximately rough calculation using the calculation formula of cylinder volume in the past, it is not accurate.
过去对储气罐容积都近似地用圆柱体容积的计算公式来粗略计算，这样很不准确。
The calculation of the volume of gas storage tank was a approximately rough calculation using the calculation formula of cylinder volume in the past, it is not accurate.
过去对储气罐容积都近似地用圆柱体容积的计算公式来粗略计算，这样很不准确。
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