Based on introduction of the composition, characteristics and function of the deep well hand pump water supply project, the project's plan, construction and management are described.
在介绍深井手动泵供水工程的组成、特点与作用的基础上，阐述了深井手动泵供水工程规划、建设与管理的主要内容。
Based on introduction of the composition, characteristics and function of the deep well hand pump water supply project, the project's plan, construction and management are described.
在介绍深井手动泵供水工程的组成、特点与作用的基础上，阐述了深井手动泵供水工程规划、建设与管理的主要内容。
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