采用设计级配，将具有很好的经济效益和社会效益。
Using design gradating will bring the great social and economic benefit forth.
不仅具有很好的经济效益，而且具有良好的环境效益和社会效益。
It has not only economic benefits, but also has good environment benefits and social benefits.
不仅具有很好的经济效益，而且具有良好的环境效益和社会效益。
It has not only economic benefits, but also has good environment benefits and social benefits.
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