Ainda não temos significados para "several relays".
1And if they had to pass through several relays it could take hours for them to arrive at their destination.
2At each post-house were maintained, at the cost of the state, a number of couriers and several relays of horses.
3I obviated this by using several relays, each with a different adjustment, working several sounders all connected with one sounding-plate.
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