又湿又紧又大又爽a视频国产,亚洲国产精品一区二区久久hs,亚洲中文字幕日产乱码高清app,欧美性猛交xxxx富婆,人人妻人人澡人人爽欧美一区九九,色偷偷av一区二区三区,久久久精品人妻一区二区三区蜜桃,精品丝袜人妻久久久久久,亚洲国产中文在线二区三区免,精品人妻一区二区三区四区

        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(xún)電話(huà)
        15866735826

        聯(lián)系:張經(jīng)理

        手機(jī): 15866735826

        郵箱: 394441862@qq.com

        網(wǎng)址:http://www.7x24taxi.net/

        地址:山東省濟(jì)南市章丘圣井工業(yè)園

        驗(yàn)收利川防撞波形護(hù)欄的標(biāo)準(zhǔn)有哪些?

        來(lái)源:http://www.7x24taxi.net/   發(fā)布時(shí)間:2024-01-29

        波形鋼板:波形鋼板應(yīng)采用熱鍍鋅處理,確保其耐腐蝕性能。波形形狀應(yīng)符合標(biāo)準(zhǔn),波峰和波谷的尺寸應(yīng)符合規(guī)定。同時(shí),波形鋼板的表面應(yīng)平整,無(wú)明顯凹凸和劃痕。

        Waveform steel plate: Waveform steel plate should be hot-dip galvanized to ensure its corrosion resistance. The waveform shape should meet the standards, and the size of the peaks and valleys should meet the regulations. Meanwhile, the surface of the corrugated steel plate should be flat, without obvious bumps or scratches.

        立柱:立柱應(yīng)采用熱鍍鋅處理,確保其耐腐蝕性能。立柱的直徑和壁厚應(yīng)符合規(guī)定,表面應(yīng)平整光滑,無(wú)明顯凹凸和劃痕。立柱的安裝間距應(yīng)符合設(shè)計(jì)要求,確保整個(gè)護(hù)欄的穩(wěn)固性。

        Column: The column should be hot-dip galvanized to ensure its corrosion resistance. The diameter and wall thickness of the column should comply with regulations, and the surface should be flat and smooth without obvious bumps or scratches. The installation spacing of columns should meet the design requirements to ensure the stability of the entire guardrail.

        20230531040646945.jpg

        連接件:連接件應(yīng)采用熱鍍鋅處理,確保其耐腐蝕性能。連接件的尺寸和形狀應(yīng)符合標(biāo)準(zhǔn),連接緊固件應(yīng)牢固可靠,不能出現(xiàn)松動(dòng)。

        Connector: The connector should be hot-dip galvanized to ensure its corrosion resistance. The size and shape of the connectors should meet the standards, and the connecting fasteners should be firm and reliable without any looseness.

        防撞端頭:防撞端頭應(yīng)采用能有效吸收碰撞能量的材料制造,確保其性能。防撞端頭的形狀和尺寸應(yīng)符合設(shè)計(jì)要求,表面應(yīng)平整光滑,無(wú)明顯凹凸和劃痕。

        Collision resistant end: The collision resistant end should be made of materials that can effectively absorb collision energy to ensure its safety performance. The shape and size of the anti-collision end should meet the design requirements, and the surface should be flat and smooth, without obvious bumps and scratches.

        其他要求:護(hù)欄的安裝應(yīng)符合設(shè)計(jì)要求,連接件的緊固件應(yīng)牢固可靠,護(hù)欄應(yīng)能經(jīng)受一定的沖擊而不產(chǎn)生破損。同時(shí),驗(yàn)收時(shí)應(yīng)檢查護(hù)欄的外觀質(zhì)量,確保無(wú)明顯的缺陷和瑕疵。

        Other requirements: The installation of the guardrail should meet the design requirements, the fasteners of the connectors should be firm and reliable, and the guardrail should be able to withstand certain impacts without damage. At the same time, the appearance quality of the guardrail should be checked during acceptance to ensure that there are no obvious defects or defects.

        国产精品久久久久久久久久妞妞 | 亚洲精品乱码久久久久久自慰| 青青草无码免费一二三区| 久久久青草青青亚洲国产免观| 亚洲色精品三区二区一区| 亚洲av永久无码精品网站色欲| 久久久久亚洲av成人无码电影| 无码精品日韩中文字幕| 人妻少妇久久中文字幕| 性欧美vr高清极品| 老师喂我乳我脱她胸罩| 91视频第一页| 亚洲欧美日韩在线一区| 亚洲国产一区二区a毛片 | 成人无码精品1区2区3区免费看| 免费 无码 国产在线91下载| 国产精品爆乳在线播放第一人称| 邻居少妇张开腿让我爽了在线观看| www婷婷av久久久影片| 国产精品久久久久久无码五月| 国产午夜亚洲精品国产| 中文字幕精品久久久久人妻红杏1| 邻居少妇张开双腿让我爽一夜| 国产精品jizz在线观看无码| 国产精品久久久久高潮| 色窝窝无码一区二区三区| 99精品日韩| 精品无码久久久久久久久老司机| 无码人妻一区二区三区免费不卡| 日本午夜小视频| 亚洲欧美激情视频| 久久久久久中文字幕女三级| 亚洲av永久综合在线观看另类 | 无码国产色欲xxxxx视频| 天天爽夜夜爽夜夜爽精品视频| 无码国产69精品久久久孕妇| 狂躁美女大bbbbbb视频u| 亚洲男人第一av网站| 国产精品偷窥熟女精品视频| 国产无遮挡又黄又爽高潮| 亚洲午夜福利在线观看|