| 释义 |
- 催化转化器：用于汽车尾气处理系统的装置，通过催化剂将有害废气转化为无害气体，减少环境污染。
1 ?触媒转换器 Catalytic converters触媒转换器 Centrifugal advance离心提前 .. 2 ?催化转换器 到了1975年，美国法律要求车辆全部安装一个叫“催化转换器”（catalytic converters）的装置，汽车尾气里的污染物被大量转化，空气污染的治理才开始发生质变。 3 ?催化转化器 Changes include redesigned engines, catalytic converters (催化转化器), advanced onboard sensors (传感器), and state and local inspection and maintenance program.
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Lower production also means less demand for palladium and platinum, used in the production of catalytic converters. 生产降低，意味着对钯和铂的需求将减少，这两种金属主要用于生产汽车的催化转换器。 - 2
In the United States, manufacturers of catalytic converters would suffer the most, followed by the metal alloying and ceramic-making sectors. 在美国，受创最为严重的是触媒转换器制造商。其次是合金与陶瓷生产行业。 - 3
In the regulation of car engines, for example, America took the virtuous step of mandating catalytic converters long before the European Union did. 以汽车引擎调整为例，美国在欧盟之前很久就采取良性措施来要求生产商使用催化转换器。
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