Practice proves that the effect is obvious to replace the control sluice with the character shaped dam in miniature irrigation area.
在小型灌区中应用人字形坝取代节制闸，实践证明效果显著。
Practice proves that the effect is obvious to replace the control sluice with the character shaped dam in miniature irrigation area.
在小型灌区中应用人字形坝取代节制闸，实践证明效果显著。
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