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跌水与急流槽是人工排水沟渠的特殊形式,用于陡坡地段,沟底纵坡可达45°。由于纵坡陡、水流速度快、冲刷力大,跌水与急流槽的结构必须稳固耐久。
Drops and rapids are special forms of artificial drainage ditches and are used on steep slopes with a longitudinal slope of up to 45 °. Due to steep slope, fast water velocity, large flushing force, the structure of water fall and rapids must be stable and durable.