第四章介绍了自动重合闸及单相自动重合闸的概念，说明了它们各自的优缺点。
Chapter 4 introduces the concept of automatic reclosing and single-phase automatic reclosing, explains their advantages and shortcomings.
第四章介绍了自动重合闸及单相自动重合闸的概念，说明了它们各自的优缺点。
Chapter 4 introduces the concept of automatic reclosing and single-phase automatic reclosing, explains their advantages and shortcomings.
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