{HEAD ~ The heat emission part} 20 is coupled to {TAIL ~ the support part} 30 such that the two ends of the heat emission part 20 are electrically connected to the first power line 31 and the second power line 32, respectively 
{ HEAD ~ The heat emission part } 20 is coupled to { TAIL ~ the support part } 30 such that the two ends of the heat emission part 20 are electrically connected to the first power line 31 and the second power line 32 , respectively
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH