gain better economic benefit
gain better economic benefit
获得更好的经济效益
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The Three gorges project application practice indicated that it may effectively decrease the unit water-use of concrete and gain better technique and economic benefit.
三峡工程应用表明，降低混凝土单位用水量显著，取得了较好的技术、经济效益。
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