We must always give top priority to social benefits and try to ensure both good economic returns and social benefits.
始终把社会效益放在首位，做到经济效益与社会效益相统一。
The monitor system used in erection of oilfield oil transportation pipeline against leaks can ensure the safe operation of the pipeline, has obvious economic returns and social benefits.
在油田输油管道安装泄漏监测系统可以确保管道安全运行，具有明显的经济效益和社会效益。
The improved conveyer has a high reliability proved practically, obtains good economic returns and social benefits used with corollary equipments of the full-mechanized caving coal working face.
实践证明改进后的输送机可靠性高，与综放设备配套使用，取得了较好的经济效益和社会效益。
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