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This steam trap has a simple structure, mainly consisting of float balls and automatic emptying devices.
该疏水阀的结构比较简单,主要由浮球和自动排空装置组成。
youdao
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This steam trap has a simple structure, mainly consisting of float balls and automatic emptying devices.
该疏水阀的结构比较简单,主要由浮球和自动排空装置组成。
youdao