由一根绝缘杆同时开动的三个移动触点断开和连接电路。

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

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我们还观察到，老鼠会倾向于移动或者定向它的鼻子朝向准确的接触点。

We also observed that the rat will tend to move, or orient, it's nose toward the exact point of contact.

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我们还观察到，老鼠会倾向于移动或者定向它的鼻子朝向准确的接触点。

We also observed that the rat will tend to move, or orient, it's nose toward the exact point of contact.

youdao