см. быть дублером ; мы с дублером
During the first session the cosmonauts performed egress operations in turn. Their backups did transfer training in the other cabin.
см. быть дублером ; мы с дублером
During the first session the cosmonauts performed egress operations in turn. Their backups did transfer training in the other cabin.
Русско-Английский словарь идиом по космонавтике. Russian-English dictionary of idioms on cosmonautics. 2012