桨

• Cold - water meters - propeller type for main line applications
  主管线用旋桨式冷水表
• Vertical axis or cycloidal , or vorth - schneider propeller
  垂轴螺桨,摆线螺桨
• In dragon boat rowing each person has one oar
  划龙舟时每个人都拿着一枝桨。
• Active control of propeller induced aircraft cabin noise
  螺桨飞机舱内噪声的主动控制
• His big hands and feet are like paddles 4 in the water
  他的大手大脚就像是水中的桨。
• The first is a rudder , the second an oar or sail
  之于舟楫，前为舵，后为桨，或为帆。