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。
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.
一旦堤坝出现裂口，传统的做法是向缺口抛掷沙袋和石块。
The traditional approach is to throw bags filled with sand or rocks into a breach.
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