涝渍土壤发生在地势平坦或排水不畅的地区。
Waterlogged soils occur in areas that are flat or have poor drainage.
当沉积土达容量的50％时，清理沉积泥土；当沉淀池排水不畅时，清理或替换砂砾；
Sedimentary soil shall be cleared when reaching 50% of the capacity. Sedimentation tank shall be cleaned or sand therein shall be replaced in case of drainage difficulty.
大堤开裂的主要原因为背河侧放淤、淤背施工过快、湿化变形、排水不畅、堤顶堆载、车辆作用等。
The main factors are reinforcing dike with silt, construction in high speed, soak deformation, poor drainage, stacking load at the tip of dike, impact of vehicle and so on.
从现实生产情况看，循环回水管道施工常会遇到“输水不畅”问题，影响了给排水系统运行的效率。
From a practical production, cycle the backwater pipeline construction often encounter the "poor conveyance, affect the efficiency of the running water supply and drainage system."
从现实生产情况看，循环回水管道施工常会遇到“输水不畅”问题，影响了给排水系统运行的效率。
From a practical production, cycle the backwater pipeline construction often encounter the "poor conveyance, affect the efficiency of the running water supply and drainage system."
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