该方法应用于淮南矿区，成功地开采了数个简易放顶煤工作面，综合防灭火技术取得了较好经济和社会效益。
The system has been successfully practiced at several working faces in Huainan mine with satisfactory social and economic benefit.
采取这些综合地质保障技术，在本矿区取得了明显的经济效益和社会效益。
The designed integrated geological guarantee technique is confirmed being of obvious economic and social benefit.
科学合理地开采村庄下压煤是新老矿区提高经济、社会效益的重要问题，也是煤矿开采技术中探讨的重要理论和实践问题。
Mining under village in a scientific and rational way is an important issue for boosting economic and social benefits for new and old mining areas;
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