大学生马乔丽·哈代和阿莱·埃默里领我到四健会的一个学生项目区，在这里我与同学们讨论了本地生产全球销售的重要性问题。

College students Majorie Hardy and Haley Emery gave me a tour of the 4-h students' project area where I was able to talk with students about the importance of growing locally and selling globally.

youdao

[5] 张健丽。 水锤计算模型对管路压力过渡计算结果的影响研究[D]。 西安： 长安大学， 2012。

ZHANG Jianli. Study on Water Hammer Computation Model Influence on the Computational Results of Hydraulic Transition [D]. Xi'an: Changan University, 2012.

youdao