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.

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所述水箱上段还设有若干交错的挡水板，所述水箱上设有带刻度的水位 显示部。

The upper section of the water tank is also provided with a plurality of interlaced water eliminators, and a water level display part with scale is arranged on the water tank.

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