magnet reed switch的用法和樣例：
例句
- The left-right rotating mechanism makes placing and adjustment easier, without the need to change the air pipe and reed switch.
左右旋轉結構，方便放置和調整，不需更換氣管及磁簧開關。 - Mercury wetted reed switches are constructed in the same way as dry reed switches with the addition of a small amount of mercury inside the glass tube.
水銀濕簧開關與干簧繼電器的構造方式相同，僅僅是在玻璃管內部增加了少量了的水銀。
