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◆重新設(shè)置                                                                                                                                         
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◆器是否擊穿                                                                        
◆更換                                                                                                                                         
◆執(zhí)行元件加熱管、加熱絲是否對地                                                                         
◆維修/更換                                                                                                                                        
◆控制器、調(diào)節(jié)器、電接點溫度計控制是否良好/是否燒毀損壞                                                                        
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