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Grundfos' NoNOx pump injects units of urea so precise that the catalytic converter is able to remove most of the NOx content from engine exhaust. Grundfos的NoNOx泵對於注射尿素的注射單位設計的非常精確，所以催化式排氣淨化器能夠將絕大部分的NOx物從引擎排氣裝置中清楚出去。