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соединена с полостью между цилиндрическими буртиками и с проточкой корпуса, ближайшей к управл ющей полости, при этом в соединительных каналах установлены обратные клапаны, открывающиес в сторону напорной полости.connected to the cavity between the cylindrical shoulders and the housing groove closest to the control cavity, with check valves installed in the connecting channels that open towards the pressure cavity.