1) main channel
主槽
1.
According to the flow state in flume for spur and experimental data, the formulas for the mean velocity of main channel varying with distance downstream were derived with momentum principle.
本文根据丁坝作用后水槽中水流情况,采用动量方程结合试验资料,导出了丁坝下游主槽平均流速沿程变化的公式,以此为基础,提出了丁坝作用下河床冲刷段长度的计算公式。
2.
By using this method, the main channel and flood protection embankment are basically formed during construction.
主槽与防洪堤基本成型,新河部分土方人工开挖,其余部分借助水力自然冲刷,使得工程一气呵成的同时,工程量也显著降低,并能最快发挥效益。
3.
Formulas used to determine the local head losses of single submerged dike and the mean velocity of main channel varying with distance downstreamare derived.
根据水槽中淹没丁坝群的水流流态,将下坝附近的水流进行分区,导出淹没丁坝下游主槽流速沿程变化公式,并且结合由淹没单丁坝时得出的水头损失计算公式,可以对不同坝长、坝高和丁坝间距、淹没丁坝群的局部水头损失进行计算。
2) main-channel
主槽
1.
Flood volume required for keeping the main-channel from shrinkage in the lower Yellow River;
维持黄河下游主槽平滩流量4000m~3/s所需水量
2.
This paper shows that the flow for maintaining the capacity discharge of the main-channel in the lower reaches of the Yellow River should be larger than 4 000 m3/s, the flow for maintaining the capacity discharge of the main-channel in Inner Mongolia reaches should be larger than.
结合黄河特点,分别分析了维持下游和宁蒙河段良好主槽、兰州以下河段全面实现III类水、重要保护鸟类或鱼类的种类或数量恢复到20世纪90年代初期水平3方面所需要的径流条件,并充分考虑黄河应承担的社会功能,给出了现阶段可基本实现黄河自然功能和社会功能均衡发挥的各河段环境流建议。
3) top fan trough
扇顶主槽
4) main channel migration
主槽变迁
5) main channel training
主槽整治
1.
The narrow and deep channel possesses great flood discharge and silt carrying capacities,which is the target of the main channel training.
窄深河槽具有很强的泄洪能力与输沙能力,是主槽整治追求的目标。
补充资料:GKF系列扇风机
GKF系列扇风机
GKF系列崩风机
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条