three-way switch

短语

[计] 三路开关

词形变化

three-way switches 复数 three-way switches

释义与例句

n.
  1. 1.

    A type of light switch that can be arranged in pairs to control lights from two locations, as at either end of a stairway or long hallway; a double-throw switch. (British): two-way switch.

    美国 商务 工程 物理

词汇关系

名词

上位词 1

switch

词源

Named after its three electrical connections, as opposed to the two connections of a normal light switch.

来源：wiktionary