Tus txheeb ze tseem ceeb ntawm ib qho chaw nyob ntawm seb muaj pes tsawg ntawm cov pa paug uas nws tso tawm, muaj kev phom sij npaum li cas ntawm cov emissions, nyob ze rau qhov chaw emission, thiab lub peev xwm ntawm qhov cua tshuab (xws li, dav lossis hauv zos) kom tshem tawm cov pa paug. Hauv qee qhov xwm txheej, ...
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