液位开关主要由磁簧开关和浮子组成，浮子内有磁性材料。
Level switch mainly composed of reed switch box float, float within the magnetic material.
液位传感装置，由密封室中的磁性开关及浮动室中浮子上的磁性材料组成。
The liquid level sensor consists of magnetic switch in a sealed chamber and the magnetic material on the float inside the float chamber.
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