您要查找的是不是：
- Center for Clean Air Policy 洁净空气政策中心
- A Passion for Clean Air! 获得洁净的空气!
- Clean Air Act Amendment (1977) established new deadlines for cleaning up polluted areas; also required review of existing air-quality standards. 1977年洁净空气法修正案确定了清理被污染区域的新期限，同时要求对现行空气质量标准进行评估。
- The UK must take a lead in cleaning up emissions," said Simon Birkett, spokesman for the Campaign for Clean Air in London. 英国必须带头清理排放。”
- Strategic Plan for Clean Air in USA 美国清洁空气战略规划
- Centre for Integrated Petroleum Research. 石油综合研究中心。
- Bjerknes Centre for Climate Research. 别克纳斯气候研究中心。
- Discussions on Air Handling Unit for Clean Air 卧式净化空调机组相关问题探讨
- National Centre for Radio Astrophys. 印度国家射电天体物理中心。
- If the end is for cleaner air, the problem might be that of reducing the dust discharge from power-plant stacks, or reducing the quantity of irritants from automotive exhausts. 如果更清洁的空气是结果，那么可能是因为在于从工厂烟囱排放了粉尘减少或者汽车尾气减少了。
- John Hopkins centre for hearing and balance. 美国霍普金森听力和平衡研究中心。
- China Europe Centre for Economic Cooperation B.V. 荷兰欧中经贸集团。
- Ask at the Customer Care Centre for details. 详情请向场内顾客服务中心查询。
- She goes to the fitness centre for her figure. 她去健美中心是为了保持身材苗条。
- The Kuala Lumpur Regional Centre for Arbitra. 吉隆坡仲裁区域中心仲裁规则。
- If the need is for cleaner air, the problem might be that of reducing the dust discharge from power-plant attacks , or reducing the quantity of the irritants form automotive exhausts. 问题比需求更具体。比如，如果你的需求是净化空气，那么，存在的问题可能是去减少电厂烟尘排放或汽车尾气排放量。
- Please contact the Service Centre for Ice. 若需冰块，请同服务中心联系。
- You change your soiled clothes for clean ones . 你把脏衣服脱下，换件干净的。
- clean air policy 空气洁净政策
- A brush used for cleaning teeth. 牙刷用来清洁牙齿的刷子
