论文部分内容阅读
2008年6月在北京部分城区开展节能灯低价发售的活动,每只节能灯不超过1元,公司派专人送货安装。这样的好消息使小区居民争先恐后
June 2008 in some parts of Beijing to carry out low-cost energy-saving lamps for sale activities, each energy-saving lamp does not exceed 1 yuan, the company sent someone to send delivery installation. This good news to residential residents scrambling