bottom outlet gate

基本解釋

The Baojixia Reservoir is constructed on the river with the overload flow. The large scale bottom outlet was adopted, and the emergency overhaul gate was set.
寶雞峽水庫(kù)是修建在多泥沙河流上的水利水電樞紐工程，工程布置采用了大底孔的方案，又設(shè)置事故檢修閘門(mén)。
Air core comes into being because of central minus pressure and goes through the hydrocyclone from the overflow gate to the bottom outlet after the flow field become steady.
其內(nèi)部由于中心負(fù)壓而形成空氣柱，當(dāng)流場(chǎng)穩(wěn)定后，該空氣柱從底流口到溢流口貫穿始終。