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    香港和宝典
    Free Download National Standard GBT19472.1-2004 Buried Polyethylene (PE) Structu
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  • 01052025
    香港和宝典
    What are the advantages of HDPE double wall corrugated pipe?
    Contact number: 17399989993 HDPE double-wall corrugated pipe has the advantages of high strength compression resistance,...
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  • 19032025
    香港和宝典
    PVC-UH管材
    PVC-UH管材是一种新型的给排水用管材按照应用领域可划分为:给水管(一般为蓝色)排水管(一般为绿色)(也可根据客户需要定制白色、紫色等PVC-UH管)
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  • 19032025
    香港和宝典
    怎么区分公元牌双壁波纹管
    公元牌hdpe双壁波纹管是以高密度聚乙烯为主要原料,其内壁光滑,外壁呈独特的环状波纹管、内外壁之间中空形状。公元牌波纹管外壁是黑色,内壁是蓝色,黑色外壁上有一条
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  • 19032025
    香港和宝典
    怎么区分公元双壁波纹管
    公元牌双壁波纹管与其他波纹管有什么不同,如何从外观特征上明显区分开来。公元牌双壁波纹管外壁是黑色,内壁是蓝色,波纹管外壁上有一条绿色的筋线,特别明显,所以只要看
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  • 19032025
    香港和宝典
    非开挖拉管施工方法,PE拖拉管施工
    非开挖拉管施工方法,PE拖拉管施工手册:1、基坑开挖工作坑开挖尺寸根据现场实际情沉确定。工作坑深度根据拉管流水 面高程确定。为保证工作坑内干燥和扩孔施工,在工作
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  • 31032025
    香港和宝典
    HDPE water supply pipe hot melt docking process~ AD PE pipe
    Contact number: 17399989993 HDPE water supply pipe hot melt docking process forms high-strength welding through high-tem...
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  • 29042025
    香港和宝典
    Free Download GB/T 19472.1-2019 Buried Polyethylene PE Structural Wall Pipeline
    GB/T 19472.1-2019 National Standard for Buried Polyethylene PE Structural Wall Pipeline System, covering the definition ...
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  • 19032025
    香港和宝典
  • 19032025
    香港和宝典
  • 20032025
    香港和宝典
  • 31032025
    香港和宝典
    Construction Control of Trenchless Directional Drilling for PE Drainage Pipe
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