back folding meaning in Hindi

Examples

1. The USAAF rejected this proposal, citing increased drag, and hence reduced range for the composite bomber-fighter configuration . submitted a revised proposal, the extensively redesigned Model 27D . The smaller aircraft had an egg-shaped fuselage, three fork-shaped vertical stabilizers, horizontal stabilizers with a significant dihedral, and 37?swept-back folding wings to allow it to fit in the confines of a bomb bay.