A gearshift system for an automobile with an electromagnetic powder clutch and {HEAD ~ a transmission} having {TAIL ~ four forward gear sets} 
having
A gearshift system for an automobile with an electromagnetic powder clutch and { HEAD ~ a transmission } having { TAIL ~ four forward gear sets }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL