Superseded88% confidenceDecision RuleTime unknown
登机箱认准三边之和≤115cm（20寸左右，约36-38L），部分廉航要求更严（如春秋航空仅允许20寸且限重），购买前需核对常坐航司规定
1
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88%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
登机箱看三边之和不看单纯尺寸，多数航空公司要求20寸(约55×40×20cm)三边之和≤115cm，廉航如春秋/亚航仅限40×30×20cm，跨廉航出行需选18寸Sources
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