Unverified85% confidenceTradeoffTime unknown
7075航空铝钉重量比钢钉轻约60%（单支约15-20g vs 40-60g），但抗拔力和抗弯性明显弱，仅适合徒步轻量化+软地场景，不适合硬地暴力敲击
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85%
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Long-term
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