锌钢桥梁景观护栏 厂家供应 河道安全隔离防撞栏
Zinc steel bridge beam landscape guardrail manufacturer supplies River safety isolation barrier
桥梁护栏的防撞性能：所选取的护栏型式在强度上必须。
Anti collision performance of bridge guardrail: the selected guardrail type must be in strength.
能有效的吸收设计碰撞能量。
It can effectively absorb the design collision energy.
阻止相应失控车辆越出桥外或进入对向车道并使其正确改变行驶方向。
Prevent the corresponding out of control vehicles from crossing the bridge or entering the opposite lane and make them change the driving direction correctly.
