Unverified82% confidenceTradeoffTime unknown
颗粒精度与价格的权衡：低价积木公差大导致拼插过松（易散架）或过紧（幼儿掰不动、易伤手），乐高及一线品牌公差控制在±0.02mm，学龄前幼儿手部力量弱时精度尤为重要
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
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