The necessity and possibility of replacement of noble metals by rare earth elements in the automobile exhaust catalyst control technology were elucidated.
阐述了汽车尾气催化净化工艺中用稀土代替贵金属的必要性和可能性。
The necessity and possibility of replacement of noble metals by rare earth elements in the automobile exhaust catalyst control technology were elucidated.
阐述了汽车尾气催化净化工艺中用稀土代替贵金属的必要性和可能性。
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