air meter的用法和样例：
例句
用作名词 (n.)
- Incline the wind meter to find the maximum wind speed direction.
运用风速计去发现最大风速及风向。 - The impeller rotates, causing air to enter the fan near the shaft and move perpendicularly from the shaft to the opening in the scroll-shaped fan casing.
气流经过风叶时会使风叶旋转，利用这种特性制成了多种设备，如风速计和风力发电机。
