эргийн далан
Нам дор газрыг үерлэлээс хамгаалсан эргийн байгууламж.
Эх сурвалж: ОрчуулгаSea dikes are onshore structures with the principal function of protecting low-lying areas against flooding. Sea dikes are usually built as a mound of fine materials like sand and clay with a gentle seaward slope in order to reduce the wave runup and the erodible effect of the waves.
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