Способ водоотвода поверхностных вод принят открытый
English translation: Surface water drainage system
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USTC&TBA Subsurface and Surface Drainage for Recreational Areas
... Open Drain System Open drains are shallow swales using gravity to move water around
the recreational area. Swales used to collect and conduct surface water ... http://www.ustctba.com/guidelines-tennis/section1e.html
Yelena Kurashova Local time: 05:04 Native speaker of: Russian, Ukrainian PRO pts in pair: 27