Three movable contacts, actuated simultaneously by an insulated rod, open and close the circuit.

由一根绝缘杆同时开动的三个移动触点断开和连接电路。

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After the contacts are closed, the movable contact still rotates.

触点闭合后。动触点仍在旋转。

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After the contacts are closed, the movable contact still rotates.

触点闭合后。动触点仍在旋转。

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