Unverified78% confidenceTradeoffTime unknown
伸缩/可调夹持式书立比固定L型书立更适合书量波动大的场景,弹簧夹持力应能压住2-3本后自动收紧,但夹持机构越复杂越容易在儿童反复操作后失效
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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