Unverified80% confidenceTradeoffTime unknown
铝合金机身散热好、耐摔耐压但导冷（冬天冰手）且更重；工程塑料轻、不导电导冷但抗冲击稍弱。放车里高温环境优选铝合金，随身长时间握持可选塑料
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80%
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Long-term
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Unverified铝合金机身散热好、抗摔耐用但导热快、冬天冰手且更重；工程塑料轻便绝缘、低温手感好但抗冲击差。车载/户外选铝合金，随身应急包选塑料98% similarUnverified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86% similarUnverified铝合金（阳极氧化）导热快、升温均匀、上色浅，适合追求柔软内芯；碳钢（含铝的复合碳钢）蓄热强、底部上色深，适合喜欢厚脆底壳，但碳钢更重且易生锈需注意保养85% similarUnverified钛合金机身比铝合金更耐腐蚀、更有质感但导热差(散热弱会限制持续高亮输出)且更贵；追求散热和实用选航空铝(6061/7075阳极氧化)85% similarUnverified铝合金材质在耐用度、散热和承重上全面优于ABS塑料款，长期使用（尤其重本）应选合金；塑料款关节铰链是易损点，反复折叠后易松动打滑84% similar
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