The crashworthiness of grass fiber reinforced epoxy tubes as collisionbumper is studied and a comparison of absorption property with aluminum alloy tubes is made.
研究了玻璃纤维增强环氧圆柱管作为缓冲装置的撞击吸能特性，并与铝合金圆柱管的吸能特性进行比较。
2
Don't count on the bumper to hold up during a low-speed collision.
千万别指望在低速碰撞中缓冲器会起到什么作用。
3
Don't count on the bumper to hold up during a low-speed collision. And that fender-bender could be costly.