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Aptalı

Demiryollarında: Rayları kışın şiddetli geçtiği bölgelerde vagon tekerleklerinde frenin çözülmesi neticesi veya çözülmemesi neticesi kızaklama meydana gelerek tekerleğin bu kısmı düzleşir. Tekrar tekrar dönerse rayların kırılması tekerlek dönmeye başlayınca her tekerlek dönüşünde raya vurur. Çatlatır, kırar. Bu olaya aptali denir.

Etiketler

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İlgili Makaleler


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