The heat pipe has one end portion in the first chamber section and the other end portion in the second chamber section, and inclines with {HEAD ~ the one end portion} located lower than {TAIL ~ the other end portion} 
located lower than
The heat pipe has one end portion in the first chamber section and the other end portion in the second chamber section , and inclines with { HEAD ~ the one end portion } located lower than { TAIL ~ the other end portion }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL