• 1
GUARDRAIL PLATE
Number：
Up time：2022-03-18 17:17
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.


中国大陆精品视频XXXX| 少妇与大狼拘作爱| 亚洲精品无码aⅴ中文字幕蜜桃| 破了亲妺妺的处免费视频国产 | 丰满少妇人妻久久久久久| 国产精品爆乳奶水无码视频| 黄网站欧美内射| 国产啪亚洲国产精品无码 | 国产裸体美女永久免费无遮挡| 欧美日韩国产成人高清视频| 国产精品观看在线亚洲人成网| 国产精品亚洲一区二区三区在线 | 免费看视频的网站| AV片亚洲国产男人的天堂 | 首页 综合国产 亚洲 丝袜日本| 少妇的丰满3中文字幕| 欧美最猛黑人xxxx黑人猛交98| 亚洲综合欧美在线一区在线播放| 久久久久成人精品无码中文字幕| 亚洲av中文| 色综合色狠狠天天综合色 | 国产精品爱啪在线播放| av无码网址| 精品日产一区二区三区| 日本乱子人伦在线视频| 日韩内射美女人妻一区二区三区| 欧美熟妇性xxx交潮喷| 亚洲精品无码成人片久久 | 亚洲AV成人区国产精品| 天天爽夜夜爽人人爽| 强奷乱码中文字幕熟女一| 久久精品aⅴ无码中文字字幕重口 无码区国产区在线播放 | 狂野黑人性猛交xxxxxx| 99re在线视频免费观看| 亚洲午夜免费| 九色91视频| 无码熟妇αⅴ人妻又粗又大| 日本免费一区二区三区中文字幕| 老太婆性杂交欧美肥老太 | 欧美人妻日韩精品| 日韩日韩日韩日韩日韩|