• 1. Net drainage: 排水网
• 2. underground slot-net drainage: 网络盲沟排水
• 3. current drainage net: 排流网

更多释义

• 1.The two techniques, non-excavation recovery technique and endoscope detection technique of drainage pipe net were put forward.
  阐述了排水管网的非开挖修复技术及排水管道内窥检测技术。
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• 2.The detection technique could resolve the potential problems of civil roads and could apply advanced technology supplement for managing drainage pipe net.
  通过排水管网内窥检测技术可以很好地解决城市道路的隐患，为科学管理排水管网提供了先进的技术支持。
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• 3.A net-shaped small hole is arranged on the seepage plate, and a longitudinal drainage groove and a groove which is vertically communicated with the drainage groove are arranged on the guided plate.
  渗水板上设置 有网状小孔，疏导板上设置有纵向的排水凹槽和与排水凹槽相垂直的连通凹槽。
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