[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

潮湿环境(浴室、厨房、室外)必须选304不锈钢膨胀螺栓,普通镀锌铁质在潮气下1-2年即锈蚀导致膨胀力衰减;干燥室内墙体镀锌铁质即可满足

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90%
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Long-term
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