砂石骨料场
sandstone daggregate yard
超轻骨料
Super-light weight aggregate
钢管轻骨料混凝土
lightweight concrete filled steel tube
lightweight aggregate concrete filled steel tubular columns
钢纤维轻骨料混凝土
steel fiber reinforced lightweight aggregate concr
钢纤维轻骨料混凝土SFLWC
steel fiber reinforced lightweight aggregate concr
高强轻骨料混凝土
high-strength lightweight aggregate concrete
high-strength light-weight aggregate concrete