national iv standard

基本解釋

The THV fuel hose could reach European IV leakage standard, which supply a gap for this field in China and gain national patent.
公司自行研制的THV氟樹脂燃油膠管達(dá)到歐洲IV號(hào)排放標(biāo)準(zhǔn)，填補(bǔ)了國(guó)內(nèi)該領(lǐng)域產(chǎn)品的空白，獲得國(guó)家發(fā)明專利。
In China, the line compared to other technologies, SCR technology is more in line with China's national conditions, China's diesel engine to achieve state IV, state V standard best choice.
在我國(guó)，相比其他技術(shù)路線，SCR技術(shù)更符合我國(guó)國(guó)情，是我國(guó)柴油機(jī)實(shí)現(xiàn)國(guó)IV、國(guó)V標(biāo)準(zhǔn)的最佳選擇。
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