Single pole double throw Switch;
单刀双掷开关；
Represents a single-pole, double-throw switch.
表示单刀双掷开关。
Represents a double-pole, double-throw switch. Right, left, and open positions can be specified.
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.
表示双刀双掷开关。可指定右、左和断开位置。
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