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.
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。
Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting springs and other parts.
导阀主要由阀座、阀瓣、膜片、弹簧、调节弹簧等零件组成。
Mainly by the main valve seat, the main valve plate, piston, springs and other parts.
主阀主要由阀座、主阀盘、活塞、弹簧等零件组成。
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