A method of using metal probe for measuring the void fraction at any point in gas-liquid two-phase flow on Sieve tray is described.

用金属探针法测量塔板上气液两相流中某些点的含气率。

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A probe of zero calibration, a two-point calibration function, the system error of automatic correction;

具有探头零点校准、两点校准功能， 可对系统误差进行自动修正；

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Napoli were hit with a two-point penalty that dropped them from third to fifth in Serie A as part of the ongoing probe, though they vehemently denied any wrongdoing.

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