螺旋桨(Propeller)简称螺桨,是在空气或其他流体中通过叶片的旋转而产生推进力的一种器械。有人说,螺旋桨的发明可追溯到公元前400年,一个叫阿奇塔斯的希腊人将一片带扭角的树叶固定在一根小木棍上。他的邻居见了嘲笑说:“你可以叫它螺旋桨吗?”其实,早在4000多年前,我国劳动人民已把风扇的原理应用于日 Propeller Propeller referred to as the propeller, in the air or other fluids through the blades of the rotating force generated a propulsion. Some people say that the invention of propellers dates back to 400 BC. A Greek named Agate fastened a twisted leaf on a small wooden stick. His neighbor laughed and said: “Can you call it a propeller?” Actually, as early as 4,000 years ago, the working people in our country had applied the principle of the fan to Japan