接触电阻过大引起火灾的成因及减灾对策重庆市消防支队李玉强近年来，电气火灾十分突出。统计资料表明：１９８０年至１９９０年间，我国电气火灾损失平均每年以１．５％的速度上升，八十年代末，我国的电气火灾占火灾总数的２０％左右，进人九十年代，电气火灾已突破了３... Causes of contact resistance is too large cause of fire and disaster reduction measures Chongqing Fire Brigade Li Yuqiang In recent years, the electrical fire is very prominent. Statistics show that from 1980 to 1990, the average loss of electrical fire in our country increased by 1.5% annually. In the late 1980s, the electrical fires in China accounted for about 20% of the total number of fires. In the 1990s, the electrical fires Has broken through 3 ...