It is a very important point of the appearance of flow drop pit during the process of rill erosion.
细沟侵蚀过程中水流跌坑的出现是极其重要的一环。
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。
The road vehicle is a city built drop pit pit in front of the door, often do not pay attention to the driver to drive the car stuck.
路面大坑车辆掉落市建行门前有一大坑，经常有司机开车不注意将车陷进去。
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；
The system consists of a swirling chamber, two vertical buckets on its wall, a drop shaft and a water cushion pit with one blind tunnel.
本文通过模型试验研究涡室-竖井内消能系统，用内设阻涡坎的涡室连接泄洪洞和竖井，带盲洞的消力井连接竖井和导流洞。
The system consists of a swirling chamber, two vertical buckets on its wall, a drop shaft and a water cushion pit with one blind tunnel.
本文通过模型试验研究涡室-竖井内消能系统，用内设阻涡坎的涡室连接泄洪洞和竖井，带盲洞的消力井连接竖井和导流洞。
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