[KongchangAI]
Unverified50% confidenceFactExact time

美国密歇根大学2020年一项研究估算,美国市场上流通的非法改装柴油车每年造成的额外健康损失成本高达数十亿美元

1
Sources
50%
Confidence
Long-term
Relevance
7/6/2026
First Seen

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