作者: Lynwood F. Crary
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摘要: A selective catalytic reduction system includes a fluid distribution for supplying an exhaust gas reducing agent. The liquid storage tank (14) and module (16) with pump (30) that draws agent from the volume (28) provides at outlet port, while simultaneously discharging excess circulation line (52) within (28). can be located bottom portion of near other components to promote around during period, thawing frozen components, ensure continuous supply (30). is also capable purging lines outside returning purged