It is one of the most ideal traps in boiler system steam tracing and midget heating system.

在供热系统中的蒸汽主管线和小型加热设备是最理想的疏水阀之一。

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It is one of the most ideal traps in boiler system steam tracing and midget heating system.

在供热系统中的蒸汽主管线和小型加热设备是最理想的疏水阀之一。

youdao