的作用是能自动、间歇排出蒸汽管道及蒸汽设备系统中的冷凝水，并能防止蒸汽泄出。
Traps can automatically is the role of intermittent steam from the steam pipes and equipment in the condensed water system and to prevent the steam Xiechu.
的作用是能自动、间歇排出蒸汽管道及蒸汽设备系统中的冷凝水，并能防止蒸汽泄出。
Traps can automatically is the role of intermittent steam from the steam pipes and equipment in the condensed water system and to prevent the steam Xiechu.
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