three-pole switch

英 [θriː pəʊl swɪtʃ]

美 [θriː poʊl swɪtʃ]

网络  三极开关

计算机

双语例句

• Three-Pole Switch Test with Separating Single-Pole
  独立单极的三极开关试验
• The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.
  三刀开关最早用于切换伏特计保护及信号线路。