?摇篮型船龙骨 rocker keel
?游戏杆机构 rocker mechanism
?游戏杆轴 rocker shaft
?摇篮型船 rocker type boat
?火箭发射器 rocket launcher
?火箭尾索 rocket line
?火箭式降落伞照明弹 rocket parachute flare
?火箭信号 rocket signal
?火箭信号发射座 rocket socket
?游戏杆 rocking bar (or level)
?游戏杆 rocking lever (or bar)
?游戏杆轴 rocking lever shaft
?游戏杆机构 rocker mechanism
?游戏杆轴 rocker shaft
?摇篮型船 rocker type boat
?火箭发射器 rocket launcher
?火箭尾索 rocket line
?火箭式降落伞照明弹 rocket parachute flare
?火箭信号 rocket signal
?火箭信号发射座 rocket socket
?游戏杆 rocking bar (or level)
?游戏杆 rocking lever (or bar)
?游戏杆轴 rocking lever shaft
?摇轴 rocking shaft
?杆,棒 rod
?鼠害 rodent
?横摇,轧辊,卷 roll
?轧钢号码,辊轧号数 roll (or mill) number
?圆碰垫 roll fender
?辊轧号数 roll number
?滚动焊接 roll welding
?轧条 rolled bar
?轧铁 rolled iron
?辊轧材料 rolled material
?轧钢 rolled steel
?轧管 rolled tube
?滚子,辊子,转轴,开花浪 roller
?滚子轴承 roller bearing
?滚子系桩 roller bitt
?滚子系柱 roller bitt
?滚子凸轮 roller cam
?滚子链 roller chain
?滚子导索器 roller chock (or fairlead)
?滚子间隙 roller clearance
?滚子输送机 roller conveyer
?滚子导索器 roller fair-leader
?滚子导索器 roller fair-leader (or chock)
?滚子下水 roller launching
?滚轮式涂漆 roller painting
?滚道 roller path
?滚板 roller plate
?滚子座 roller seat
?滚子架 roller stand