Unverified75% confidenceTradeoffTime unknown
轻量化徒步或随身携带的求救灯应控制在50g以内且具备挂扣/磁吸设计,但过度追求轻量会牺牲电池容量和亮度,救生背心固定式可放宽至100-200g以换取更长续航
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