| 释义 |
NOx
noun[ U ]
environment specializeduk /nɒks/ us /nɑːks/
the gases nitric oxide and nitrogen dioxide, that are produced when fuel is burned and that are harmful to the environment: （作为空气污染物的）氮氧化物
new engines which produce lower NOx emissions氮氧化物排放量较低的新型发动机
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Environmental issues
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