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前言: 笔者在承担援助尼泊尔山区供水项目——建设水轮泵示范工程任中国专家技术组组长,长期在尼工作。从1984年秋至1986年6月三次赴尼工作,历时5个多月。在此期
Foreword: The author is responsible for assisting Nepal’s mountain water supply project - the construction of the water wheel pump demonstration project as the head of China’s expert technical team, long-term work in Nigeria. From the autumn of 1984 to June 1986, he went to work in Nepal for three months. In this period