primary crash sensor
/ˈpɹaɪməɹi ˈkɹaʃ ˈsɛnsə/
n
English · primary crash sensor中文 · 主碰撞传感器Español · sensor de colisión primarioFrançais · détecteur d’impact primaire
意味：Device located at the front of the vehicle, which, in the event of collision, transmits the pulse it receives to the safing sensor.