the 1-2-4-7 or 1-3-6-10 spares

listen to the pronunciation of the 1-2-4-7 or 1-3-6-10 spares
English - English

Definition of the 1-2-4-7 or 1-3-6-10 spares in English English dictionary

The 1-2-4-7 or 1-3-6-10 spares
picket fence