事实(shí )证明(🐯),该方案(àn )调整后(🧞),渠线长(zhǎng )度(🌼)缩减,灌(guàn )溉面积增(🏞)大,灌溉(gài )流速增(⏫)加,还节约投资113万元(yuán )。较原设(🎁)计U型方案(✨),输水(🚦)长(➕)度缩短6.75公(gōng )里,灌溉放水时间也减少2.54个小时。[展开全部]
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