{HEAD ~ The heat emission part} 20 is coupled to the support part 30 such that {TAIL ~ 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 the support part 30 such that { TAIL ~ 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
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