支承物 meaning in English

blocking

Mine supports ; powered walking supports ; terminology
矿山支承物.动力移动支承物.术语
Railway applications - track - wood sleepers and bearers ; german version en 13145 : 2001
铁路.轨道.枕木和支承物
Cladding for external walls ; facing bricks fixed in mortar on supports ; principles for design and application
外墙贴面层.在支承物上用灰浆粘结的饰面砖.设计和施