Unverified75% confidenceTradeoffTime unknown
长柄伸缩杆省腰力但接口是薄弱点，蓄水受力时易松脱晃动，追求耐用可选一体成型短柄+跪垫方案
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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