闺蜜和我被黑人4p到惨,男人放进女人阳道视频观看,亚洲av无码成人精品区日韩,欧美黑人又粗又大的性格特点

濟南蓬發(fā)建材有限公司為您提供臨邊護欄、木工防護欄、工程圍擋等相關(guān)信息發(fā)布和相關(guān)資訊,敬請關(guān)注!
新聞
聯(lián)系我們
咨詢電話
15866735826

聯(lián)系:張經(jīng)理

手機: 15866735826

郵箱: 394441862@qq.com

網(wǎng)址:http://www.diaoxx.com/

地址:山東省濟南市章丘圣井工業(yè)園

臨邊防護欄的基本規(guī)范有哪些?

來源:http://www.diaoxx.com/   發(fā)布時間:2021-12-21

特點:

characteristic:
(1)本產(chǎn)品主要采用電焊連接,可用于基坑邊緣等各種工程施工的臨時保護。
(1) This product is mainly connected by electric welding and can be used for temporary protection of various engineering construction such as the edge of foundation pit.
(2)防護欄性能強,外形美觀,警示醒目。
(2) The protective fence has strong safety performance, beautiful appearance and eye-catching warning.
目的:
Purpose:
用于施工現(xiàn)場的保護。這是一種高度靈活的保護產(chǎn)品,可以重復使用。
For the protection of the construction site. This is a highly flexible protection product that can be reused.
優(yōu)勢:
Advantages:
防護欄采用當前新的調(diào)頻無縫焊接技術(shù),使焊接點會更好。良好的抵抗力;不怕磨損、雨水和老化。靈活性;地面用膨脹螺絲固定,工程完成后可拆卸重復使用。
The protective fence adopts the current new frequency modulation seamless welding technology, so that the welding points will be better. Good resistance; Not afraid of wear, rain and aging. Flexibility; The ground is fixed with expansion screws, which can be disassembled and reused after the project is completed.
功能:
Function:
分離功能、阻斷功能、報警功能。
Separation function, blocking function and alarm function.
使用范圍:
Scope of use:
臨邊防護欄的施工現(xiàn)場的防護也廣泛應用于配電維護、電氣維護、改造施工、交通運輸、公司警戒線設(shè)置等??繄鏊?。
The protection of the construction site of the edge protective fence is also widely used in power distribution maintenance, electrical maintenance, reconstruction construction, transportation, company warning line setting and other parking places.
1.當基坑開挖深度達到2m或以上時,一定要在其周圍安裝防護欄桿。
1. When the excavation depth of the foundation pit reaches 2m or more, protective railings must be installed around it.
2、橫桿高度不應小于1.2m,立桿之間不應大于2m.
2. The height of cross bar shall not be less than 1.2m, and the height between vertical bars shall not be more than 2m
臨邊防護欄
Edge guard
類型:
Type:
有許多種邊界護欄,通常是醒目的紅色和白色,黑色和黃色。欄桿的固定及其與上下橫桿的連接,整體結(jié)構(gòu)和強度應受1000牛頓的外力作用;如果車輛或物體之間可能發(fā)生碰撞,應采取增加軌道橫截面或加密軌道柱的間距和嵌入深度等措施。13號警示牌可掛在護欄外,14號警示牌可掛在護欄內(nèi),如常見的警示語:平安生產(chǎn)人人有責;基坑有危險,請不要靠近等。
There are many kinds of boundary guardrails, usually eye-catching red and white, black and yellow. For the fixation of handrail and its connection with upper and lower cross bars, the overall structure and strength shall be subject to the external force of 1000 Newtons; If collision may occur between vehicles or objects, measures such as increasing the track cross section or densifying the spacing and embedded depth of track columns shall be taken. No. 13 warning sign can be hung outside the guardrail and No. 14 warning sign can be hung inside the guardrail, such as the common warning: everyone is responsible for safe production; The foundation pit is dangerous. Please don't get close to it.
我們一直在堅持分享的路上臨邊護欄http://www.diaoxx.com真正為您您所需要的問題.
We have been insisting on sharing along the road http://www.diaoxx.com Truly solve the problems you need

校草被老师肉到失禁h| 色欲av伊人久久大香线蕉影院| 女公务员人妻呻吟求饶| 日本亚洲洲精品码无无专区| 末发育女av片一区二区在线观看| 一本色道久久综合狠狠躁| 国产真实乱对白精彩| 永久免费的网站在线观看| 午夜三级| 国产av在线播放| 爱的色放在线观看| 巴巴在线电影| 间谍过家家第二季在线观看免费| 亚洲欧美日韩精品久久亚洲区| 国产一产二产三精华液区别在哪里| 国产后入又长又硬| 少妇伦子伦精品无码| 又黄又爽的无遮挡免费视频人妖| 伊人色综合久久天天伊人| 丽娟两腿间一大丛黑毛| 免费av一区二区三区| 初学生的粉嫩小洗澡视频| 宝贝胸罩脱了让我揉你的胸| 久久精品一区二区三区中文字幕| 久久久久久精品国产亚洲| 十大乱翁系列小说| 极品人妻洗澡后被朋友玩| 欧美性狂猛xxxxxbbbbb| 久久久九色综合亚洲成色777| 在线永久免费观看黄网站| 国产精品无码中文在线av| 亚洲色少妇熟女11p| 巧干朋友娇妻小怡| 人人妻人人澡人人爽人人精品av| 国产麻豆一区二区三区精品视频| 人善交videos欧美3d| 公交车强摁做开腿呻吟| 久久99精品久久久久久无毒不卡| 无套内谢少妇毛片a片小说| a片在线免费观看| 国产xxxx做受视频国语对白l|