Last Updated：2025/12/02
Sentence
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The maintenance crew inspected the check-rail before the express train's arrival.
See correct answer
The maintenance crew inspected the check-rail before the express train's arrival.
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Related words
check-rail
Noun
alt-of
alternative
Japanese Meaning
鉄道の線路に設置される補助レールで、特に曲線部に用いられ、車輪のフランジが外側に逸れるのを防ぎ、摩耗や脱線のリスクを低減する目的があります。
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