Beijing also built a number of new water purification plants for daily water recycling, replaced dated equipment at its power plants and retrofitted gas stations citywide.北京为了日常的水循环也建了很多的新的净化水厂，取代了发电厂陈旧的设备并且翻新了全市的加油站。
The plan for a citywide cleanup was the mayor's baby.全市性的清扫计划是市长的得意之作。
