threeway catalyst 三元催化剂
threeway bit 三刮刀钻头
threeway wye 三分水器
two-position threeway solenoid valve 二位三通电磁阀
threeway pipe 三通管
Threeway union 三通管接头
threeway tipper 三向倾卸车
switch threeway 三路开关
The close-loop EGI system with threeway catalyst has been verified efficiently to reduce the harmful ingredient in exhaust gas of car.
在汽车中应用带有三元催化剂的闭环电喷系统可以有效降低汽车尾气中的有害成分。
The conventional threeway catalysts are not efficient enough to remove the CO and hydrocarbons during vehicle coldstart period due to the low temperature of catalyst bed.
汽车冷启动时催化剂床层温度低，尾气中的CO和烃类不能被传统三效催化剂有效消除。
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