【物理】电影胶片上的槽纹条

grooved pully

grooved friction wheel

grooved rail, composite

glyptolith【地质】;wind-cut stone【地质】;wind-grooved stone【地质】

grooved urethrotomy staff

grooved and tongued joint【木】;match joint【木】;rebated grooved and tongued joint【木】

grooved drum

centreless grinding with grooved abrading blocks