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Sand filter trenches
| Глоссарий по архитектуре и конструкциям |
A system of trenches, consisting of perforated pipe or drain tile surrounded by clean, coarse aggregate containing an intermediate layer of sand as filtering material and provided with an underdrain for carrying off the filtered sewage. sand finish 1. a textured-finish plaster surface; the plaster contains sand, lime putty, and gauging
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Perforated, английский
- In leather, this is the process of die-cutting small holes to form a pattern. the holes can vary in size, density and pattern. railroading: cutting fabric on the cross grain, usually to avoid seams in large upholstered pieces. fabric is also referred to as railroaded when the pattern runs horizontally off the bolt. fabric with directional patters or pile (such as velvet) should not be railroaded.
- Пер4х>рированный
Containing, английский
Intermediate, английский
- Between two others.
- Промежуточный
- Промежуточное звено
- Chemical term for an igneous rock containing 54 to 62% silica and usually
Underdrain, английский
A drain, installed in porous fill, for drawing off surface water or water from the soil, as under the slab of a structure.
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Fire suppression system, английский
- A system used to control or to extinguish a fire in a building. the most common types are fire sprinkler systems and standpipe systems.
- Система огнетушения
Iron framing, английский
A system of structural ironwork for buildings, first developed at the end of the 18th century. the crystal palace, constructed in new york city in 1853, provided a dramatic
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