So the packing that design method is improved has good economic and social benefit and longer lifetime.
经改进设计的盘根密封性能良好，使用寿命明显延长，具有良好的经济效益和社会效益。
Compressed natural gas (CNG) automobile industry is a new industry, which has good economic and social benefit.
压缩天然气(CNG)汽车工业是一个新兴的产业，具有良好的经济效益和社会效益。
Finally, new "Life Luck" spring tube pillow comes out and gets good reaction from lots of consumers and good economic and social benefit.
终于新一代“一生缘”弹性管枕心问世了，并且一经推向市场便收到了良好的经济和社会效益。
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