three way catalyst system 三元催化系统
three way catalyst 三效催化剂 ; 和三效催化剂 ; 催化剂
TWC-Three Way Catalyst 包括装有三元净化装置
Pd-only three-way catalyst 单钯三效催化剂
palladium three-way catalyst 全Pd三效催化剂
Pd only three way catalyst 单Pd三效催化剂
noble metal three way catalyst 贵金属三元催化剂
This paper introduces the three-way emission control technology and the principle of auto exhaust catalytic converter. The main composition of the three-way-catalyst is also reviewed.
介绍汽车尾气三效催化净化技术及净化器的主要工作原理，并对三效催化剂主要成分： 载体、 涂层、 活性催化剂及助剂进行论述。
Doped rare earth oxides have been widely used in three-way catalyst(TWC) for purification of automobile exhausts because of its special properties.
稀土元素以其特殊的物理和化学性质在汽车尾气三效净化催化剂（TWC）中获得了广泛应用。
The petrol composition influent emission of the engine markedly. It is especially important to control petrol composition particularly after three way conversion catalyst were installed in modern car.
汽油成分对排放有较为显著的影响，特别是在现代汽车普遍安装三元催化器后，控制汽油成分就显得尤其重要了。
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