vane

the vane of an arrow

箭上的羽片

Floc size distribution in a dynamic flocculator with a flat vane wheel was measured experimentally.

实验测定了平直叶轮动态混合絮凝器内絮团粒度的空间分布。

The ZSJL Water Motor Alarm consists of a turbine shell, a vane wheel, a transmission shaft, a dabber, a rocker arm, a clapper, an alarm seat and a support shaft etc.

ZSJL型穿墙水力警铃是由轮机壳体、叶轮、传动、、转臂、铃锤、警铃座、支撑等组成。

Pennaceous feathers cover the bodies of birds, and their tightly closed vanes create the aerodynamic surfaces of the wings and tail.

正羽覆盖鸟的身体，这些紧紧靠拢的羽片，为翅膀与尾部塑造出符合空气动力学的身体表面。