Superseded85% confidenceDecision RuleTime unknown
拉杆箱材质选择：PC材质抗冲击但易留划痕，铝镁合金坚固耐用但重且贵，ABS+PC混合性价比高；长途托运优先PC或铝框，短途登机可选布面软箱增加扩容
1
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85%
Confidence
Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
硬壳材质中PC纯料抗冲击、韧性好但偏重；ABS便宜但脆易裂；PC+ABS混合为主流平衡款；铝镁合金最坚固抗压但重量可达5kg以上且易留划痕Sources
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