妺妺窝人体色777777野大粗,衣服被扒开强摸双乳18禁网站,扒开老师双腿猛进入出白浆,欧美性狂猛XXXXX深喉

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

聯(lián)系:張經(jīng)理

手機(jī): 15866735826

郵箱: 394441862@qq.com

網(wǎng)址:http://m.yyfq666.com/

地址:山東省濟(jì)南市章丘圣井工業(yè)園

臨邊防護(hù)欄的基本規(guī)范有哪些?

來(lái)源:http://m.yyfq666.com/   發(fā)布時(shí)間:2021-12-21

特點(diǎn):

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(shí)保護(hù)。
(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(hù)欄性能強(qiáng),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(chǎng)的保護(hù)。這是一種高度靈活的保護(hù)產(chǎn)品,可以重復(fù)使用。
For the protection of the construction site. This is a highly flexible protection product that can be reused.
優(yōu)勢(shì):
Advantages:
防護(hù)欄采用當(dāng)前新的調(diào)頻無(wú)縫焊接技術(shù),使焊接點(diǎn)會(huì)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(fù)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(bào)警功能。
Separation function, blocking function and alarm function.
使用范圍:
Scope of use:
臨邊防護(hù)欄的施工現(xiàn)場(chǎng)的防護(hù)也廣泛應(yīng)用于配電維護(hù)、電氣維護(hù)、改造施工、交通運(yùn)輸、公司警戒線設(shè)置等??繄?chǎng)所。
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(dāng)基坑開(kāi)挖深度達(dá)到2m或以上時(shí),一定要在其周圍安裝防護(hù)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(yīng)小于1.2m,立桿之間不應(yīng)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(hù)欄
Edge guard
類型:
Type:
有許多種邊界護(hù)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(qiáng)度應(yīng)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(yīng)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(hào)警示牌可掛在護(hù)欄外,14號(hào)警示牌可掛在護(hù)欄內(nèi),如常見(jiàn)的警示語(yǔ):平安生產(chǎn)人人有責(zé);基坑有危險(xiǎn),請(qǐng)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(jiān)持分享的路上臨邊護(hù)欄http://m.yyfq666.com真正為您您所需要的問(wèn)題.
We have been insisting on sharing along the road http://m.yyfq666.com Truly solve the problems you need

真空下楼取快递被C嗯啊| 刮伦人妇A片1级| 亚洲人成色7777在线观看不卡| 国模少妇无码一区二区三区| 中国无码人妻丰满熟妇啪啪软件 | 亚洲A片成人无码AV| 亚洲AV中文无码乱人伦在线视色 | 被舍友弄到崩溃怎么办| 特黄熟妇丰满人妻无码| 久久久性色精品国产免费观看| 24小时日本免费观看高清视频| 国产精品亚洲一区二区三区在线| 久久久久亚洲AV成人网人人网站 | YIN乱童话集| 韩国三级日本三级人与波| 大片免费播放器APP| 老师黑色双开真丝旗袍| 成人女人爽到高潮的A片| √天堂资源中文WWW| 七十路熟女のお婆ち| 亚洲欧美国产旡码专区| 亚洲国产精品无码久久久久高潮| 浪货趴办公桌~H揉秘书电影| 99久久久国产精品免费| 岳的大肥屁熟妇五十路99| 久久久久琪琪去精品色| 又白又大的奶头A片免费| 人人妻人人澡人人爽欧美二区| 公交车上拨开少妇内裤进入| 免费无码高潮流白浆视频| 国产美女在线精品免费观看网址| 最近免费字幕中文大全| A片在线播放| 日本丰满人妻XXXXXHD| 黑人狂躁中国人的A片刘玥 | 入戏太深动漫未删减在线观看| 精品一区二区三区无码AV久久| 亚洲AV无码专区亚洲AV网站| 无码任你躁久久久久久老妇| 成年免费视频黄网站在线观看| 成人综合伊人五月婷久久|