• 1
GUARDRAIL PLATE
Number:
Up time:2022-03-17 11:29
Product description

The guardrail board uses the deformation of soil foundation, column, beam and endurance board to absorb the collision energy, and force the out-of-control vehicle to change direction and return to the normal driving direction to prevent the vehicle from rushing out of the road, so as to protect the vehicle and passengers and reduce the accident caused by Loss.

The highway corrugated guardrail is the main form of semi-rigid guardrail. It is a continuous structure with corrugated steel guardrails spliced with each other and supported by columns. The steel is flexible and has a strong ability to absorb collision energy. Good sight-guiding function, can coordinate with the road alignment, beautiful appearance, can be used on small-radius curves, and the damaged part is easy to replace.

According to the anti-collision grade, the highway wave guardrail can be divided into A grade and S grade. The S-level guardrail is a reinforced type, which is suitable for use in particularly dangerous road sections on the roadside, and the A-level guardrail is used for special roads. The commonly used roadside corrugated beam guardrails can be divided into five grades: B, A, SB, SA, and SS according to the anti-collision level.

午夜毛片不卡免费观看视频| 2020亚洲欧美国产日韩| 少妇白浆高潮无码免费区| 亚洲国产精品第一区二区三区| 久久久久人妻一区二区三区VR| 视频一区二区欧美日韩在线| 国产女人高潮视频在线观看| 欧美又粗又大xxxxbbbb疯狂| 久久不见久久见免费影院视频| 亚洲AV无码精品一区成人| 亚洲人av高清无码| 国产亚av手机在线观看| 深田えいみ禁欲后被隔壁人妻| 日韩精品区| 苍井空一区二区波多野结衣av| 享受不戴套的人妻| 大桥未久亚洲无AV码在线| 英语老师的大白兔子又大又好吃| 中文字幕第一页在线| 中文字幕亚洲码在线| 粗大的内捧猛烈进出在线视频| 久久99精品国产99久久| 久久久久亚洲精品中文字幕| 韩国精品欧美一区二区三区| 亚洲国产精品无码久久青草| 亚洲av性色精品国产小电影| 国产啪精品视频网站免费尤物| 久久人与动人物a级毛片| 亚洲精品毛片久久久久久久| 狠狠色噜噜狼狼狼色综合久| 奇米影视7777久久精品| 成人片黄网站色大片免费观看app| 中文字幕第一页国产| 国产成人精品亚洲日本语言| 久久无码高清视频| 四虎永久在线精品8848a| 激情综合色综合啪啪五月丁香搜索| 亚洲激情黄色| 精品国产第一国产综合精品| 国产亚洲精久久久久久无码77777| 久久久久久久综合色一本|