trial vehicle meaning in Hindi

A total of 100 trial vehicles were assigned to Germany.
As fast as the trial vehicles are made, workers as quickly tear them apart looking for errors.
Three batches of trial vehicles were delivered between 1976 and 1978 and the first production examples were delivered to the Swedish Defense Administration in 1980.
On 22 November 1938 AMX presented its new track fitted only to the right side of a trials vehicle so that direct comparisons could be made with the old track type.
Transportation Minister Chikage Ogi said Tuesday that the government hopes to complete a trial vehicle by 2005 that will emit almost no nitrogen oxide, or NOx, the Nihon Keizai financial daily reported.