亚洲第一天堂无码专区,精品 日韩 国产 欧美 视频,丝袜 中出 制服 人妻 美腿,av无码免费一区二区三区

Continuously winding glass fiber reinforced plastic pipe jacking

Continuous wound fiber Glass Reinforced Plastic pipe- jacking (abbreviated as GRP) is a new type of pipe jacking made from resin, glass fiber (continuous + short cut) and quartz sand by continuous winding process. The pipe has axial reinforced short cut glass fiber which improves the axial compression strength.

001.png

Performance feature

GRP pipe-jacking not only has the advantage of light, high strength, corrosion resistance and excellent hydraulic properties like glass reinforced plastic pipe, but also has the following characteristics.  

1. High axial compression strength, high allowable jacking force

The index value of axial compression strength ≥85MPa, The typical value is about 95 Mpa, the allowable jacking force is greater than that of the traditional pipe, the distance between the two operational wells can be long.

2. Applicable to all kinds of working conditions.

GRP pipe-jacking is not easy to sink in muddy soil and is suitable for various complicated working conditions.   

 11.jpg

Application field: it can be used in the roads that are not suitable for excavation, such as river, railroad track and highway. 

Specification model

頂管22.png

?
為您報(bào)價(jià)
欧美性开放情侣网站| 天天碰免费上传视频| 激情爆乳一区二区三区| 国产av亚洲精品ai换脸电影| 亚洲另类成人小说综合网| 国产熟妇高潮叫床视频播放| 亚洲精品乱码久久久久蜜桃| 一卡二卡三卡视频| 777午夜福利理论电影网| 日本 欧美 制服 中文 国产| 精品国产人成亚洲区| 亚洲国产欧美人成| 学生妹亚洲一区二区| 无码精品人妻一区二区三区漫画| 亚洲精品国产精品国产自| 少妇扒开双腿自慰出白浆| 亚洲国产精品久久艾草纯爱 | 国产无套流白浆视频免费| 大战丰满无码人妻50p| 丰满白嫩人妻中出无码| 台湾无码一区二区| 欧美s码亚洲码精品m码| 欧美成人免费一区二区| 天天摸夜夜添夜夜无码| 国产无遮挡aaa片爽爽| 成人午夜精品无码一区二区三区| 中文字幕精品亚洲无线码一区应用| 精品国产一区二区三区色欲| 欧美乱码伦视频免费| 亚洲日韩va在线视频| 亚洲男人第一av天堂| 98久9在线 | 免费| 久久国产免费福利永久| 人妻少妇一区二区三区| 色综合久久中文字幕有码| 久久综合一色综合久久小蛇| 女人爽得直叫免费视频| 中文字幕在线精品视频入口一区| 少妇无套内谢久久久久| 精品无人乱码高清| 国产麻豆精品乱码一区|