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primary crash sensor /ˈpɹaɪməɹi ˈkɹaʃ ˈsɛnsə/ n

中文：主碰撞传感器

中文 · 主碰撞传感器Español · sensor de colisión primarioFrançais · détecteur d’impact primaire
Meaning：Device located at the front of the vehicle, which, in the event of collision, transmits the pulse it receives to the safing sensor.
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Airbag restraint system

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