The typical percentages of construction and demolition waste disposed of at landfills for various types of school projects 各类建校计划产生的建筑和拆卸物料中,须运往堆填区弃置的废料一般所占的百分比
2.
The typical percentages of construction and demolition ( c & d ) waste disposed of at landfills for various types of school projects 各类建校计划产生的建筑和拆卸物料中,须运往堆填区弃置的废料一般所占的百分比; ( b )