three-way switch

常见例句

• One method was to follow the chicken feathers that had scattered when other cars chased the birds out of the way.
  一种方法是，沿着以前的车开过时被惊飞的鸡留下的鸡毛路开。
• The cascade switch connects one input to one of many outputs using multiple relays.
  级联开关通过多个继电器将一个输入连接到多个输出之一。
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