obtains good economic benefits
This paper introduces dividing load and carry system of Shanjiaoshu coal mine coal and cash,obtains good economic benefits.
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obtains good economic benefits
取得了良好的经济效益
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 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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