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| 31. | The economic profitability in most localities was better than that of the previous year. |
| 大部分地区经济效益好于上年。 |
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| 32. | economic benefit in agricultural production |
| 农业生产的经济效益 |
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| 33. | economic benefit of materials circulation |
| 物资流通的经济效益 |
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| 34. | cost efficient desig |
| 有经济效益的设计 |
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| 35. | This paper introduced question of the brine purify in the Jiangxi Salt Mine.The reaction jug reformation and economic effect. |
| 介绍了江西盐矿卤水净化存在的问题，对反应罐进行了改造，取得的经济效益。 |
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| 36. | The economic efficiency of industrial enterprises further improved. |
| 工业企业经济效益进一步提高。 |
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| 37. | If it can realize the closed circuit circulating of washing-water, can not only increase economic benefit but also can obtain the social benefit in coal preparation factory. |
| 如果能实现洗水闭路循环,不仅能大大提高洗煤厂的经济效益,又能取得良好的社会效益。 |
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| 38. | 8. Economic returns increased gradually. |
| 八、经济效益逐步改善。 |
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| 39. | It is showed that under the condition of the smaller foundation, the treatment effect is good, and the obvious technical and economic benefit can be achieved. |
| 结果表明，在基础不太宽的情况下，处理效果良好，可取得明显的技术和经济效益。 |
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| 40. | transport economic benefit evaluation |
| 运输经济效益的评价 |
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