Can be seen in each road waveform guardrail plate, wavebarrier plate really have so much impact?
在每个公路可以看到波形护栏板、波形护栏板真的有那么大的影响吗？
2
The next step we will explain the reasons for the installation of the highway guardrail plate, what is the role of the wavebarrier plate, why need to install high-speed waveform guardrail.
下一步我们将解释为高速公路护栏板安装的原因，波形护栏板有什么作用，为什么高速需要安装波形护栏。
3
Palestinians bitterly complain about Israel's security barrier, or wall, surrounding Bethlehem, which was built in response to a wave of suicide bombings a few years ago.