常开按钮开关的英文

• normally open push button switch

• 常:    ordinary; common; normal
• 开:    open; turn on; switch on; be ...
• 按钮开关:    press-button switch; button ...
• 按钮开关:    bs button switch; buttonswitch; face contact; pb push button; press button key; press button switch; press stopper; push button switch; push contact; push switch; pushbutton actuator; pushbutton key; pushbutton switch
• 按钮开关盒:    push-button switch box