短語詞組短語rubble -mound breakwater 拋石防波堤rubble e mound breakwater 堆石防波堤tribar -rubble-mound breakwater 拋三柱塊體;塊石防波堤low rubble mound composite breakwater 低拋石基合成防波堤high rubble mound composite breakwater 高拋石基合成防波堤Breakwater rubble -mound 堆石防波堤 返回 rubble mound breakwater