淘刷 meaning in Chinese

downcutting
scour
undercutting
undermine
undermining
underwashing

Analyses and treatment for the panning amp; scrubbing destructions on flooding - segment dam foot of huilongshan power station
溢流坝段坝趾淘刷破坏分析与处理
The changes in the channel cross sections between dam no . 3 and no . 4 mainly related to the opening depth applied at dam no . 3 and the scouring range extended with increasing opening depth
河床横断面之变化横断面的变化主要与坝坝体缺口拆除的深度有关，且坝体缺口深度愈深影响至上游淘刷范围的距离则愈远。
In the canal with sand moving balance and stable bed , may keep the current status ; for the sediment canal which seriously reduced discharge , may properly clean sediment ; for the seriously scoured canal , such as curved canal , should lining the canal
对于输沙达到平衡、河床比较稳定又达到输水能力的渠段，可保持现状；对淤积比较严重又影响输水能力的局部渠道，可进行适当疏浚清淤；对淘刷比较严重的弯道凹岸进行工程护砌。