Unverified75% confidenceTradeoffTime unknown
伸缩折叠杯的层间密封依赖硅胶折痕,长期折叠痕处硅胶老化会渗漏,一年左右需检查折痕是否发白开裂;对折结构层数少反而更耐用
1
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75%
Confidence
Long-term
Relevance
-
First Seen
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