表示双刀双掷开关。可指定右、左和断开位置。

Represents a double-pole, double-throw switch. Right, left, and open positions can be specified.

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表示双刀双掷开关。可指定右、左和断开位置。

Represents a double-pole, double-throw switch. Right, left, and open positions can be specified.

youdao