pond sluice water reservoirs with regulation and concrete dam shaft. profiles determining the flow outflow under the dam. A service stone shaft in the shape of a circle reaches well
ID: 2129662199
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- 大图:3696 × 2448 像素·31.29 cm × 20.73 cm·300dpi·JPG
- 中图:1000 × 662 像素·35.28 cm × 23.35 cm·72dpi·JPG
- 小图:500 × 331 像素·17.64 cm × 11.68 cm·72dpi·JPG