... steam-admission slit 进汽口 steam-admission valve 进汽阀 steam air ejector 蒸汽抽气器，射汽抽气器 ...
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auxiliary live steam admission valve 辅助新汽进汽阀
balanced steam admission valve 平衡式进汽阀
When the water level of condensate in the drain sump drops, the cup to shut the admission pipe falls down, the passage for steam to enter into the valve body is opened.
由于通往阀腔的进汽管被密封，凝结水从集水仓流经进水管进入阀腔，倒吊桶下沉，打开排水阀嘴，周期性的开始排水。
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