[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

全铜锁体并非越纯越好,市售'全铜'多为黄铜合金,纯度过高反而质软易变形,锁具关键部位(锁舌、传动件)用不锈钢或加硬处理才更耐磨耐用,勿被'纯铜'噱头误导

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75%
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Long-term
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curl https://kongchang.com/api/v1/knowledge/claims/732705
MCP
get_claim(id=732705)