随着城市气化率的大幅度提高和居民生活条件的改善,我国燃气热水器的销售稳步增长。从燃气热水器发展看,目前我国生产企业已从85年的3家发展到现在的70多家,年产量由30万台增加到400万台,全国拥有量93年末为1400万台,约占具备使用条件7000万户 With the substantial increase in the rate of urban gasification and the improvement of living conditions of residents, the sales of gas water heaters in China have steadily increased. From the perspective of the development of gas water heaters, at present, China’s production enterprises have grown from 3 in 85 years to more than 70 now, the annual output increased from 300,000 units to 4 million units, and the national ownership amounted to 14 million units by the end of 1993, accounting for approximately Conditions of use 70 million