The testing results showed that increasing the intake temperature was favorable to the decrease of HC and CO emissions.
结果表明，提高进气温度有利于减少冷起动阶段的HC、CO排放。
The testing results showed that increasing the intake temperature was favorable to the decrease of HC and CO emissions.
结果表明，提高进气温度有利于减少冷起动阶段的HC、CO排放。
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