求翻译：同时在液层表面进行蒸发。此蒸发过程吸收上层液体的热量而使下层液体处于过热状态。当两液体的接近相等时就会突然迅速混合而在短时间内产生大量气体，使储罐内压力急剧上升，甚至顶开安全阀是什么意思？

At the same time the surface of the liquid layer evaporation. This evaporation process to absorb the heat of the upper liquid leaving the lower liquid in a superheated state. Suddenly rapid mixing when the two liquids close to equal in a short time produce large amounts of gas, so that the pressure

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While at the liquid surface for evaporation. Evaporation of the liquid heat absorbing upper to lower liquid in a hot state. When two liquids is suddenly nearly equal mix rapidly and produce a lot of gas in a short time, the sharp rise in the pressure in the tank, or even open the relief valve

Meanwhile carries on the evaporation in the liquid sheet surface.This evaporation process absorption upper formation liquid quantity of heat causes the lower level liquid to be at the superheat condition.When two liquids close equal can the rapid mix in a short time produce the massive gas suddenly,