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8月16日,一场大雨把炙热已久的北京城一下子带进了凉爽世界.最低温度只有18℃,冷不丁地还会让人略感寒意.期盼已久的凉爽骤然到来,让整天浸泡在空调冷气中的人们长长地舒了一口气,欣然关掉空调来享受这沁人心脾的丝丝凉意.然而,最舒心的还是北京供电局总控制室的工作人员.大幅度的降温使紧张“,”The increasing demand for air conditioning in the recent half a year has become the chief culprit for the shortage of electric power around the country. Now, a new gas air conditioner, which is noted for energy conservation and environmental protection, has become the favorite. It not only balances the usage of electric power and gas resource throughout the year, but also increases energy efficiency, reduces pollution and cuts energy costs. However, the marketing development of the gas air conditioner is not as good as expected. The gas air conditioner still has a long way to go because people are not well informed about the product, installation fees are high, and national safety standards are absent.