单刀

[dān dāo]

• single-tool

参考释义

单刀 [dān dāo]

• -
• 短语
  单刀单掷开关 {电工} single-pole single-throw (SPST); single-pole single-throw switch
  单刀架 single-tool holder
  单刀双掷开关 {电工} single-pole double-throw (SPDT); single-pole double-throw switch