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penstock on downstream dam surface
penstock on downstream dam surface
英
[penstock on downstream dam surface]
美
[penstock on downstream dam surface]
中文释义
坝后背管
单词分析
单词结构:
penstock on downstream dam surface
字母数:34
记忆提示
🎯 重点记忆:
单词拼写:penstock on downstream dam surface
核心含义:坝后背管
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更新时间:2026-02-05 22:34:02