单投的英文

single throw

singlethrow

• 单:    singular number fa ...
• 投:    throw; fling; hurl ...
• 单投资:    specific capital e ...

例句与用法

1. Three pole single - throw switch
   三刀单投开关
2. Triple pole single throw
   三刀单投
3. Double pole single throw
   双极单投
4. Triple - pole single throw
   三刀单投