three-way switchとは意味:《電》三路スイッチ◆階段踴り場(chǎng)の照明を1階のスイッチでも2階のスイッチでもオンオフできるようにするときのスイッチ three-way switch meaning: Noun: three-way switch An electric switch that has three terminals; used to control a circuit from two different locations - three-point switch Derived forms: three-way switches Type of...three-way switch перевод:переключатель на три направления