Unverified78% confidenceTradeoffTime unknown
超轻钛合金哨重量可低于5克但价格显著高于塑料哨，日常EDC/城市防身场景塑料哨的耐用性与音量已足够，无需为减重付高价
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
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