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レベル Level 16 (Non-Fiction)
![YL](./images/com/in_icon1.gif) 1.2 - 1.4
![LL](./images/com/in_icon2.gif) 2.3
![LLY](./images/com/in_icon2lly.gif) 3.5 - 3.7
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川などをせき止めて水を貯めるダム。本書では4種類のダムを紹介。
〔24.8×18.9cm 24ページ〕
Chapter 1 Dams
Chapter 2 Arch Dams
Chapter 3 Buttress Dams
Chapter 4 Embankment Dams
Chapter 5 Gravity Dams
Trussell-Cullen, Alan
Cengage Learning
(C) Cengage Learning