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.
该装置的全称叫做“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的堤坝裂口，使之与河水隔开。
All screens must be equipped with some type of mechanism to continuously or intermittently clean the openings in the perforated barrier. Otherwise, the screen plate would rapidly plug up.
所有筛子都必须设置可连续或间歇清理筛板的机械装置，否则，筛板上的孔很快就会被堵塞。
All screens must be equipped with some type of mechanism to continuously or intermittently clean the openings in the perforated barrier. Otherwise, the screen plate would rapidly plug up.
所有筛子都必须设置可连续或间歇清理筛板的机械装置，否则，筛板上的孔很快就会被堵塞。
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