Rollein.禄来福来反光照相机[商标名]rolln.卷；滚动；名单；压路机；颤音；圆形物，面包卷v.摇摆；滚；绕；转动；展开roll preheating device轧辊预热器rolling blinds machine卷帘机rolling mill auxiliary轧钢车间辅助设备roll and pitch of ship舰船纵横摇rolling-circle model滚环模型rolling charateristics滚动性能rolling arc of contact轧辊的接触弧roll them in the aisle使捧腹大笑rolling beam apparatus旋转杆仪rolling friction marks摩擦痕