In the course of recovering waste and regeneration of it, the environment is seriously polluted because of weak management and backward technology.
在废弃物回收再生过程中，由于管理不力、艺落后，使环境受到严重污染。
The backward irrigation technology and management are also belong to irrigation district ageing. This view is first presented in irrigation ageing evaluation. The concept of evaluation based on irri…
首次提出灌区的灌溉技术和管理技术落后也属于灌区老化的范畴，并提出按灌溉面积和建筑物级别进行评估的概念。
The backward irrigation technology and management are also belong to irrigation district ageing. This view is first presented in irrigation ageing evaluation. The concept of evaluation based on irri…
首次提出灌区的灌溉技术和管理技术落后也属于灌区老化的范畴，并提出按灌溉面积和建筑物级别进行评估的概念。
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