four-wheel drive and four-wheel steer
Portuguese translation: Trator com tração e direção nas quatro rodas
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| 23:26 Sep 30, 2010 |
| English to Portuguese translations [PRO] Agriculture / History | |||||||
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|  Selected response from: Airton J Souza Brazil Local time: 11:44 | ||||||
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| 5 +4 | Trator com tração e direção nas quatro rodas |
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| 4 +1 | trator com tração 4x4 e trator com as 4 rodas móveis |
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| 4 | trator 4 por 4 |
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Answers
30 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1trator com tração 4x4 e trator com as 4 rodas móveis Explanation: Four-wheel drive, 4WD, or 4x4 ("four by four") is a four-wheeled vehicle with a drivetrain that allows all four wheels to receive torque from the engine simultaneously. While many people associate the term with off-road vehicles and Sport utility vehicles, powering all four wheels provides better control than normal road cars on many surfaces, and is an important part in the sport of rallying. http://pt.wikipedia.org/wiki/4x4 http://en.wikipedia.org/wiki/Four-wheel_drive In standard two wheel steering vehicles, the rear set of wheels are always directed forward therefore and do not play an active role in controlling the steering. In four wheel steering systems, the rear wheels can turn left and right. To keep the driving controls as simple as possible, a computer is used to control the rear wheels. http://www.wisegeek.com/what-is-four-wheel-steering.htm |
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1 hr confidence: peer agreement (net): +4
peer agreement (net): +4Trator com tração e direção nas quatro rodas Explanation: :) |
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Grading comment
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