废硬质合金回收利用
scrap cemented carbides recovery
蓄电池铅合金回收精炼技术
technology for recovering and extracting the lead alloy for storage battery
高温合金废料
High temperature alloy waste
回收废热蒸汽
waste steam heat recovery
镁合金废料
magnesium alloy scrap
scraps of magnesium alloys
燃烧废五金回收
wire reclamatiom incineration