Unverified83% confidenceTradeoffTime unknown
硬度越高防雨水冲刷和抗高温流失能力越强，但延展性差、填缝性弱容易开裂漏气；软蜡贴合密封好但夏季高温或阳光直射下易融化脱落——鱼与熊掌需按季节取舍
1
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83%
Confidence
Long-term
Relevance
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