以下为句子列表：
英文: Abstract: Layout forms of irrigation canal system can be generally classified as three categories: series-wound canal system, equivalent shunt-wound canal system and nonequivalent shunt-wound canal system.
中文: 文摘:灌溉渠系的布置形式一般可分为串联渠系、等效并联渠系和非等效并联渠系，对这3种灌溉渠系水利用系数进行了理论研究。
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英文: On the basis of general introduction of the All-American Canal System and the All-American Canal Irrigation District, the facilities (dams, desilting works, irrigation canal system), project management and maintenance, and benefits of All-American Canal S
中文: 摘要在介绍全美灌溉系统及全美渠灌区基本概况的基础上，对全美灌溉系统的主要建筑物（水库大坝、沉沙工程、灌溉渠系）、工程管理与维护以及工程所带来的经济效益等方面作了详细阐述与分析。
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