词汇	free endings
释义	free endings 游离末梢
随便看	concrete damping ratio concrete dam pouring concrete dams concrete dam with face slab concrete dangerous criminal concrete data structure concrete dead-dam concrete deadman concrete decision concrete deck concrete deck cable stayed bridge Concrete deck pavement concrete deductive method concrete deep mixing pile concrete deep-water structure concrete defect concrete defects concrete defect testing concrete deformation concrete degradation concrete delivered by pump concrete delivery concrete delivery pipe concrete delivery pump concrete delivery truck