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瑞典沃尔沃重型车辆部的工程师们已研制出一种可代替柴油发动机上消音器的陶瓷过滤器。该过滤器涂覆有催化剂涂层,当废气流过它时,能除去废气中50～60％的碳化合物与一氧化碳,也能吸收黑烟、
Engineers at Volvo Heavy Duty Vehicle in Sweden have developed a ceramic filter that will replace the muffler on a diesel engine. The filter is coated with a catalyst coating which removes 50 to 60% of the carbon compounds and carbon monoxide in the exhaust gas as it passes through the exhaust gas and also absorbs black smoke,