{HEAD ~ A refrigerating machine oil composition} 1, wherein said {TAIL ~ fatty alcohol} is at least an alcohol selected from a group consisting of n butanolandn pentanol 
wherein
{ HEAD ~ A refrigerating machine oil composition } 1 , wherein said { TAIL ~ fatty alcohol } is at least an alcohol selected from a group consisting of n butanolandn pentanol
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH