现场工业性试验表明，该支护技术满足工程要求，具有良好的经济和社会效益。
The in-situ testing results show that the combined supporting technology can satisfy the requirement of engineering, and good economic and social profits have been achieved.
通过可弯曲刮板输送机机尾压柱的改制， 增强其稳定性和可靠性，提高安全使用性能，适当减轻作业工人体力劳动，具有良好的经济和社会效益。
Through developing to drive end presspillar of flexible flight conveyor, stability and reliability are raised, physical labour is reduced with worker. There are good economic and social results.
家用生物质颗粒燃料炉是一种新型的炊事炉具，是现行传统炉具的更新换代产品，具有良好的经济效益和社会效益。
Domestic biomass pellet fuel stove is a kind of new kitchen stove, and it is the upgrading production of the traditional stoves nowadays, which has good economic and social benefits.
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