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据有关部门统计,目前我国使用燃气的城市居民已达1.08亿人,城市燃气普及率已达到61%。家用燃气热水器自70年代末在国内面世以来,一直以其安全、快捷、卫生等优点服务于千家万户。但同时,由于燃气具有易燃易爆易致人中毒的特性,如果使用不当便会发生火灾、爆炸、窒息、中毒等事故。近年来,全国每年都有数以百计的家庭为此付出了沉痛的代价。据中国消费者协会受理的投诉情况,1996
According to statistics from relevant departments, at present, the number of urban residents using gas in our country has reached 108 million, and the urban gas penetration rate has reached 61%. Domestic gas water heater since the late 70s in the country has been available for its safety, efficiency, health and other advantages of serving millions of households. However, at the same time, due to the flammable and explosive nature of flammable and gas-prone gas, accidents such as fire, explosion, asphyxiation and poisoning can occur if the gas is used improperly. In recent years, hundreds of families nationwide have paid the painful price each year. According to complaints received by the China Consumer Association, 1996