national iv standard
常见例句
- 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氟树脂燃油胶管达到欧洲IV号排放标准，填补了国内该领域产品的空白，获得国家发明专利。 - 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.
在我国，相比其他技术路线，SCR技术更符合我国国情，是我国柴油机实现国IV、国V标准的最佳选择。
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