the vane of an arrow
上羽片
the vane of an arrow
上羽片
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、传动轴、芯轴、转臂、铃锤、警铃座、支撑轴等组成。
Pennaceous feathers cover the bodies of birds, and their tightly closed vanes create the aerodynamic surfaces of the wings and tail.
正羽覆盖鸟身体,这些紧紧靠拢羽片,为翅膀与尾部塑造出符合空气动力学身体表面。
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