常見例句雙語例句This year's target for air pollution control is to raise the rate of days with air pollution index equaling or bettering grade II to 55 percent.目標(biāo)繼續(xù)提高,市區(qū)空氣污染指數(shù)二級和好于二級天數(shù)要達(dá)到55%。The classification standard of comprehensive evaluation of environmental pollution control installations has been established by the efficacy index method that put forward in thi…本文提出的功效指數(shù)法建立了綜合評價環(huán)境污染控制設(shè)施的分級標(biāo)準(zhǔn)。The classification standard of comprehensive evaluation of environmental pollution control installations has been established by the efficacy index method that put forward in this article.本文提出的功效指數(shù)法建立了綜合評價環(huán)境污染控制設(shè)施的分級標(biāo)準(zhǔn)。 返回 pollution control index