{HEAD ~ A fluid supply channel} including a mixing chamber is defined in {TAIL ~ the base portion} and communicating with the fuel cell membrane electrode assembly for supplying a fuel bearing fluid to the membrane electrode assembly 
is defined in
{ HEAD ~ A fluid supply channel } including a mixing chamber is defined in { TAIL ~ the base portion } and communicating with the fuel cell membrane electrode assembly for supplying a fuel bearing fluid to the membrane electrode assembly
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH