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ёж (Tetrapods are a type of structure in coastal engineering used to prevent erosion caused by weather and longshore drift, primarily to enforce coastal structures such as seawalls and breakwaters. Tetrapods are made of concrete, and use a tetrahedral shape to dissipate the force of incoming waves by allowing water to flow around rather than against them, and to reduce displacement by interlocking.  wikipedia.org Alexander Demidov); четвероногое насекомое | |||
| монолит | |||
| тетрапод | |||
| железобетонный противотанковый четырёхрогий ёж | |||
| тетрапод (фасонный блок для перекрытия проранов и для оградительных сооружений) | |||
| четвероногое животное | |||
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| четвероногие | |||
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| четвероногий | |||
| tetrapod: 3 a las frases, 3 temas |
| Construcción | 1 |
| Recursos naturales y conservación de la vida silvestre. | 1 |
| Tecnología | 1 |