rubblen.瓦砾;碎石
rubble tipping抛石
rubble masonry毛石圬工
rubble-stone毛石
rubble filling抛石
rubble backing毛石底层
rubble bearing橡胶支座
rubble pitching抛石护坡
Rubble seed oil橡胶籽油
rubble disposal毛石处置
rubble leveling抛石整平