家用电器的七大“天乱”一、灰尘。家用电器内部的线路板和精密电子元件卜的灰尘多了，会使其绝缘性能下降，引起漏电而出现故障。灰尘落在录音机、录像机磁头上，会影响放音、放像效果，甚至损坏磁头。二、煤气。我国大部分地区居民仍使用煤球燃烧做饭，煤球在燃烧时释放... Household appliances of the seven “chaos” First, the dust. Household appliances and precision circuit boards inside the circuit board Bu more dust, it will reduce the insulation performance, causing leakage and failure. Dust falls on the recorder, VTR head, will affect playback, playback, or even damage the head. Second, gas. Residents in most parts of our country still use briquettes to cook and briquettes are released when burned.