Thought reinforcement Is it possible that there are no alternatives to concrete dikes, wave-breakers, and riverbed reinforcement to prevent erosion of our coasts and riverbeds?
思維「孔固力」海岸侵蝕或河床下切、水患的避免，除了水泥海堤、消波塊、固床工程外，難道沒有其它的辦法嗎？