前、后下部防护装置能有效地防止轿车钻入，合理的能量吸收特性可改善载货汽车与轿车的碰撞相容性。
The front and rear underrun protections can effectively protect passenger cars from inserting under trucks, rational energy absorption characteristics can improve impact compatibility.
试验表明，在发生正面碰撞时，该碰撞防护装置能够减小车身变形、吸收碰撞能量、延长碰撞冲击时间。
Impact test shows that the collision-proof equipment can reduce body deformation, absorb impact energy, and prolong impact time.
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