【建筑】有槽轨道，复合的【建筑】槽形轨，合成的

grooved pully

grooved friction wheel

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

grooved urethrotomy staff

grooved tape on cinematograph film

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

grooved drum

centreless grinding with grooved abrading blocks