Helen’s breakthrough came when Annie held her hand under a water pump while spelling “water” into her other hand repeatedly.
有一次安妮把海伦的手放在水泵出水口下，并且在她的另一支手上重复拼写water 的时候，海伦突然明白了，她的学习有了重大突破。
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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