when farmland is low, or when typhoon torrential rain floods, the water pumping station will be triggered to release the water in the farmland.
(2)The sluice gate of Guandu Temple
a design of “inside gate and outside valve”, so the inner gate can be opened to help the water drain quickly when the farmland in the Guandu Plain is flooded.
(三)The outside valve (flap valve) of Guandu Temple
its function is to block the sea water to prevent it from coming in.
