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衝突衝撃緩衝具
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Wikipedia definition
1. Impact attenuator​An impact attenuator, also known as a crash cushion, crash attenuator, or cowboy cushions, is a device intended to reduce the damage to structures, vehicles, and motorists resulting from a motor vehicle collision. Impact attenuators are designed to absorb the colliding vehicle's kinetic energy. They may also be designed to redirect the vehicle away from the hazard or away from roadway machinery and workers.
Read “Impact attenuator” on English Wikipedia
Read “衝突衝撃緩衝具” on Japanese Wikipedia
Read “Impact attenuator” on DBpedia

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