1) roughening with bedding course
垫底加糙
2) 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
3) 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
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。
补充资料：垫底儿
①在底部放上别的东西：鱼缸里是用细沙～的。②先少吃点东西以暂时解饿：你先吃点东西垫垫底儿，等客人来齐了再吃。③比喻做基础：有了你以前的工作～，今后我的工作就好开展了。
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