As one of the most effective techniques to control giant debris flow, the high-speed drainage structure is composed of both converge trough structure and high-speed drain trough structure.
速流结构是治理公路大型泥石流的有效技术类型，由汇流槽和速流槽组成。
As one of the most effective techniques to control giant debris flow, the high-speed drainage structure is composed of both converge trough structure and high-speed drain trough structure.
速流结构是治理公路大型泥石流的有效技术类型，由汇流槽和速流槽组成。
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