The Rapidly Emplaced Hydraulic Arch Barrier, made of the same material as the other two devices, can be put in place around a plugged breach to keep it sealed and dry once the PLUG has been removed.
该装置
全称叫做" 便置式拱形折流坝" 。它与前两种装置采用相同材料制作,可以围住一个被暂时封堵住
堤坝裂口,使之与河水隔开。此时就可以将PLUG这个塞子撤掉,晾干堤坝裂口处
泥土。