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海口镀锌钢护栏定做 三亚绿化带防护栏

海口京式护栏价格 儋州道路护栏批发

Haikou Beijing style guardrail price Danzhou road guardrail wholesale

阻拦功能：交通护栏将阻拦不良的交通行为。

Blocking function: traffic barrier will block bad traffic behavior.

阻拦试图横穿马路的行人或自行车或机动车辆。

Stop pedestrians or bicycles or motor vehicles trying to cross the road.

它要求护栏有一定的高度。

It requires a certain height of guardrail.

一定的密度（指竖栏），还要有一定的强度。

A certain density, but also a certain strength.

增城市政施工人行道路隔离栏 广州定做防眩板市政围栏价格

Zengcheng municipal construction pedestrian road barrier Guangzhou customized anti glare board municipal fence price