Tread groove

Tread groove in Portuguese

In Portuguese

a ranhura do degrau

Plural: ranhuras dos degraus

Definition

Definition in EnglishA narrow recessed channel in the surface of an escalator step, aligned with the teeth of the plates at its ends.

Definition in PortugueseUm canal estreito na superfície do degrau da escada rolante, alinhado aos dentes das placas nas extremidades.

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