废料利用; 废品利用; 废物残渣利用

debris of oxide utilization of steam utilization of capacity percent utilization of capacity utilization of berries utilization of archives utilization of budget utilization of hour utilization of equipment utilization of energy plan of land utilization debris utilization removal of debris clause debris of Malassez residue of placental debris debris utilization of electrical energy utilization of waste material chemistry of coal utilization utilization of tidal power utilization of forest resources