The reform of low price forest has double significance of protection and utilization.
低价林改造作为林地改良的一种方式，蕴含着保护和利用的双重意义。
The fifth part is the water hyacinth protection and the integrated utilization.
第五部分是水葫芦的防治及其综合利用。
The invention has the advantages of environmental protection, energy saving and high energy utilization rate.
本发明具有环保、节能、能源利用率高的优点。
The invention has the advantages of environmental protection, energy saving and high energy utilization rate.
本发明具有环保、节能、能源利用率高的优点。
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