[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

CO(一氧化碳)报警阈值应符合分级报警:50ppm/60分钟、100ppm/10-40分钟、300ppm/3分钟触发,符合GB 15322/UL2034标准的产品才能有效防止慢性中毒,只有单一高阈值(如300ppm)的产品无法预警低浓度长期暴露

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