Unverified82% confidenceTradeoffTime unknown
铝合金固定板强度高、不易变形但X光不可透且低温导热快（冬季贴身冰冷），高密度聚乙烯板可透射线、耐腐蚀、易消毒但长期承重下可能轻微弯曲——常规急救优选聚乙烯，水域/山地重载救援可考虑铝合金
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82%
Confidence
Long-term
Relevance
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