{HEAD ~ Both winding assemblies} are housed in {TAIL ~ an internal space} of the casing, and a synthetic resin is filled in the internal space of the casing and cured 
are housed in
{ HEAD ~ Both winding assemblies } are housed in { TAIL ~ an internal space } of the casing , and a synthetic resin is filled in the internal space of the casing and cured
HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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