plug-in type combined switch
Plug-plug kinetic capillary electrophoresis(ppKCE)
coupled (linked)switch,deck switch,gang switch
Plug and Play(PnP)， Plug-and-Play
plug to plug compatibility
Air Switch，Air-break Switch
switch on and switch off
switch point；point tongue；switch rail；tongue rail；blade
whippletree switch whiffletree switch
240 spark plug gas engine