| 释义 |
螺旋桨luóxuánjiǎng产生动力使飞机或船只航行的一种装置,由螺旋形的桨叶构成,旋转时桨叶的斜面拨动流体靠反作用而产生动力。{screw propeller; rotary propelling device consisting of spiral-shaped blades that produce power to cause a plane or a ship to move. The inclining blade of a propeller produces a counteractive force by stirring the air as it revolves.} |