Unverified85% confidenceDecision RuleTime unknown

18寸符合绝大多数航空公司登机箱尺寸标准，可直接带入客舱，但容量有限，适合短途2-3天出行而非长途

1

Sources

85%

Confidence

Long-term

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-

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Related Entities

美旅(American Tourister)儿童登机箱18寸product_sku 儿童旅行箱category

Related Claims

Unverified登机行李包容量20-25L可满足1-2天短途出行，30-40L适合3-4天，超过45L通常无法作为登机随身行李（多数航司随身尺寸限115cm三边之和）85% similar Unverified经常需要坐飞机带上机舱的商务出行，不要买超过40L的背包，多数航司随身行李限制在长宽高55x40x20cm内，大包需托运83% similar

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