High performance catalyst is one of the key factors for purifying the automotive exhaust gases.
高效汽车排气净化催化剂是实现车外净化的关键因素之一。
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.
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。
Automotive exhaust contains lots of harmful gases and causes environmental pollution seriously.
传统汽车的尾气中含有大量的有害气体，对环境造成严重污染。
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