When the steam back into the bucket, the bucket back up the buoyancy of the steam produced, but increased connectivity bucket drive lever to close the valve spool.

• 当蒸汽进入倒吊桶内，倒吊桶的蒸汽产生向上浮力，倒吊桶上升连接杠杆带动阀芯关闭阀门。