{HEAD ~ The tank} 136 is connected to a carrier gas supply source as a carrier gas supply means via {TAIL ~ a carrier gas supply pipe} 138 
{ HEAD ~ The tank } 136 is connected to a carrier gas supply source as a carrier gas supply means via { TAIL ~ a carrier gas supply pipe } 138
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH