催化剂技术是治理汽车排气污染物的重要手段之一，催化转化器是控制汽车尾气排放的主要设备。
Catalytic technique is one of the major way in purification of automotive exhaust gases, and catalytic converters are main devices for control of automotive emission.
对青岛中药厂以18台风机为主的噪声源设备造成的强噪声污染进行了综合治理，重点措施是风机机群的集中控制。
Strong noise pollution had been controled for noise source equipments including mainly 18 fans in Qingdao factory of traditional Chinese medicine, the major step is concentrated control of fan group.
行业业态包括洁净室的设计、建造、施工和维护、室内环境污染的检测、治理以及各类洁净设备、空气净化产品等。
This industry business include design, construction and maintenance of clean room, detection and treatment of indoor environment pollution, a variety of clean equipment, air purification products.
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