求翻译：根据疏水阀工作原理的不同，沃德WODE蒸汽疏水阀可化为以下三种类型： 　　机械型：依靠蒸汽疏水阀内凝结水液位高度的变化而动作，包括： 　　浮球式：浮子为封闭的空心球体 　　敞口向上浮子式：浮子为开口向上的桶型 　　敞口向下浮子式：浮子为开口向下的桶型是什么意思？

Depending on the trap works, Ward the wode steam traps can be turned into the following three types: mechanical-type: to rely on a high degree of change and the action of the condensate level within the steam trap, including: float type: float closed hollow sphere with exposure up float type: float

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According to the draining valve principle of work difference, Warder the WODE steam draining valve may change into following three kind of types: 　　Machinery: In the dependence steam draining valve the condensing water fluid position altitude change acts, including: 　　Float type: Float for seal holl

According to soothing valve work principle of different, Ward WODE steam soothing valve may into following three kind of type: machinery type: relies on steam soothing valve within condensation water liquid bit height of changes and action, include: floating ball type: float for closed of hollow sph

疏水阀