hollow floor(4uzhoj); installation floor(для инженерных коммуникаций 4uzhoj); Installation floor(для инженерных коммуникаций 4uzhoj); raised floor(чаще "фальшпол". A raised floor (also raised flooring, access floor(ing), or raised access computer floor) provides an elevated structural floor above a solid substrate (often a concrete slab) to create a hidden void for the passage of mechanical and electrical services. Raised floors are widely used in modern office buildings, and in specialized areas such as command centers, IT data centers and computer rooms, where there is a requirement to route mechanical services and cables, wiring, and electrical supply. wikipedia.orgMargootje)
access floor((применительно к прокладке кабелей) система напольного покрытия, состоящая из съёмных и полностью взаимозаменяемых панелей, напольные панели поддерживаются специальными подставками и/или балками, что обеспечивает доступ к пространству под ними)
raised floor(A raised floor (also raised flooring) or access floor(ing) (also raised access computer floor) are types of floor that provide an elevated structural floor above a solid substrate (often a concrete slab) to create a hidden void for the passage of mechanical and electrical services. They are widely used in modern office buildings, and in specialized areas such as command centers, IT data centers and computer rooms where there is a requirement to route mechanical services and cables, wiring, and electrical supply. WAD wikipedia.org)