Unverified85% confidenceSolutionTime unknown
需要空运或频繁携带过安检的场景,改用电子求救激光(laser flare)或LED电子求救灯:无火药可上飞机,激光求救器有效标示距离可达数十公里,且可重复使用无保质期限制
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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