Sewage flows through coarse bar screen and into inlet pump station drop pit, then is lifted to fine bar screen by drowned pumps.
经过粗格栅污水汇入进水泵站集水坑中，再由潜水泵提升至细格栅进水管。
Thus, the utility model can be conveniently provided with towing steel cables, and can haul out the vehicle trapped in the ground or in the drop pit in time;
因此，本实用新型可以方便安装上牵引钢丝绳，能及时拖出陷入地面或凹坑中的汽车；
Thus, the utility model can be conveniently provided with towing steel cables, and can haul out the vehicle trapped in the ground or in the drop pit in time;
因此，本实用新型可以方便安装上牵引钢丝绳，能及时拖出陷入地面或凹坑中的汽车；
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