Unverified75% confidenceFactTime unknown
防摔（抗冲击）等级国标常见1米/1.5米/2米跌落测试，应急场景（黑暗中易脱手）建议至少1.5米抗摔，铝合金外壳普遍优于纯塑料
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75%
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Long-term
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