также не всегда есть возможность отрывки котлована с достаточно значительными габаритами в плане под оборудование для использования существующих бестраншейных способов прокладки.
also do not always have the opportunity to pit fragments significant enough in terms of dimensions for equipment, for the use of existing trenchless laying methods.
also you are not always able to extracts of excavation with sufficient dimensions in terms of equipment for the use of existing methods for trenchless installation.
Also do not always have the opportunity to excerpts digging with a rather awkward in the plan under the equipment for use of existing developed together ways to the seals.