A multi tube type heat transfer apparatus includes {HEAD ~ a plurality} of {TAIL ~ heat transfer tubes} disposed in parallel to each other within a shell wall 
of
A multi tube type heat transfer apparatus includes { HEAD ~ a plurality } of { TAIL ~ heat transfer tubes } disposed in parallel to each other within a shell wall
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH