In {HEAD ~ this first embodiment}, the circulating pipe line 131 is formed between the second solvent supply passage 122 and {TAIL ~ the exhaust port} 115 
In { HEAD ~ this first embodiment } , the circulating pipe line 131 is formed between the second solvent supply passage 122 and { TAIL ~ the exhaust port } 115
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH