1) processing old and discarded things
废旧物资加工
2) waste and old materials
废旧物资
1.
By analyzing the present state of waste and old materials management in molybdenum mines,new management approaches were proposed.
通过对钼矿山废旧物资管理现状的分析,提出了新的管理思路。
3) wastewater of machining junk district
废旧物加工区废水
5) purchase of old and waste materials
废旧物资收购
补充资料：废旧
废弃的和陈旧的（东西）：～物资。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条