Unverified80% confidenceTradeoffTime unknown
层数越多单层承重越低且重心越高，三层以上塑料推车满载后横向晃动明显；追求高承重稳定应选钢制两三层，追求灵活收纳选塑料多层但降低单层负重
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
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