护栏
We need a deck with a guardrail. 我们的后阳台需要加栏杆。
Folding aluminum alloy guardrail is easy to use. 折叠式铝合金护栏，方便实用。
Are working level platforms fully planked between guardrails? 扶手之间的工作平台完全覆盖了铺板了吗？
The truck has not collided in the guardrail, the test succeeds. 卡车没有撞过护栏,试验成功。
A new guardrail was constructed in honor of the three lives lost. 为缅怀这三个人，人们修了一段护栏。
