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