内衬墙 Inner Wall

墙衬 [建] wall lining

石墙的衬心 hearting

墙背衬 backing of wall

墙保温衬 wall insulation lining

边墙二次衬砌 Secondary lining of side walls ; Wall secondary lining

贴墙衬材 backing for wall covering

建筑用金属制墙衬料 metal wall linings for construction

建筑用非金属制墙衬料 non-metallic wall linings for construction