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To solve related dredging problems and to analyze the effectiveness of jet flow scouring for the Tongguan stretch of the Yellow River, jet flow scouring experiments were made in laboratory flumes.
为解决黄河潼关河段射流清淤工程有关技术问题，分析其冲沙效果，利用室内水槽进行了静水、动水条件下射流冲刷试验。
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Workers are scouring the area with the help of helicopters, fishing boats and jet skis.
CNN: 5 found, 2 missing after balloon crash in Peru
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