1) river bottom protection and roughness addition
护底加糙
1.
2-D numerical simulation of water level at Yichang maintained by river bottom protection and roughness addition and pool back-fill;
二维数值模拟护底加糙及深槽回填维护宜昌水位的效果
2) roughening with bedding course
垫底加糙
3) rock retaining sills at the river bed
垫底加糙拦石坎
1.
Construction of rock retaining sills at the river bed during river closure for the diversion channels of Three Gorges project;
三峡工程导流明渠截流垫底加糙拦石坎施工
4) roughen valley
糙底
5) roughness simulation
加糙
1.
All these requirements can be met by a kind of roughness simulation method that selects cross plates in the form of plum blossom as the roughness.
梅花形十字板加糙具有形体小、阻力大、进入阻力平方区雷诺数小、适应水流方向变化等优点,完美地解决了大变态非恒定流河工模型的加糙问题,其在淮河防洪模型中的应用取得了满意的成果。
6) bed form roughness
底床糙度
补充资料：护身加持
【护身加持】
（修法）即护身法。(参见：护身法)
（修法）即护身法。(参见：护身法)
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