原文：
工作原理及结构特点： 本疏水阀未开始工作时，自由半浮球沉落在发射管上，当疏水处于排水状态时，蒸气经过过滤网和发射管进入阀体，当蒸汽体积增加到一定程度时，浮力使半浮球上浮，在蒸汽压力作用下，半浮球靠向疏水喷咀将其封闭，阻止了蒸汽外逸。当大量凝结水进入阀体时，半浮球内蒸汽体积减少，此半浮球再自身重力作用下落，半浮球脱离疏水喷咀，完成了一个工作循环。继而周而复始运动，起自动排水阻汽的目的。

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译文：
Working principle and structure: The traps have not started work, the free float sink in the launch tube and a half, when the hydrophobic state in water, steam through the filter and the launch tube into the body, when the steam volume increased to a certain extent, the buoyancy so that semi-floating ball floating in the steam pressure, the semi-hydrophobic nozzle to float their eyes closed, to prevent the steam efflux. When a large number of condensate into the body, the semi-float reduction in steam volume, the semi-float and then the fate of their own gravity, semi-float out of the hydrophobic nozzle, to complete a work cycle. Then the cycle exercise, a waste gas from the automatic drainage purposes.