[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

耐水腻子粘结强度高但硬度大、打磨费力,普通打磨腻子(821)易打磨但不耐水。装修工人常因怕费工偷换普通腻子,验收时应现场泼水测试或指定品牌型号

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82%
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