... water valve packing nut 水阀填密螺母 water valve seat 水阀座 water valve stem 水阀杆 ...
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首先，确定让水位上升的砖头或者马桶清洁装置没有挡到阀门，让它不能正确关闭；然后清除挡水阀座周围的矿质沉淀物，检查连在挡水阀的拉管是不是太短，有没有把挡水阀拉得有轻微缝隙。
This includes removing any mineral deposits around the seat beneath the valve. Also check that the pull chain attached to the valve is not too short and holding the valve slightly open.
双平衡阀座设计，比一般的疏水阀体积小而排量大，在特大排量场合更能发挥优越性。
To employ double balanced valve seat design, it has smaller volume and larger displacement and can exert its advantages when needing large displacement.
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