大中型型钢轧机
heavy and medium section mill
220 kV大型中心变电站
220 kV large central substation
HM型大型磨机磁性衬板
HM magnetic liners for large grinding mills
大、中型铝合金锻件
large and medium aluminum alloy forings
大、中型浅水草型湖泊
Large and medium shallow weed-type lake
大型HFW机组建设
large-scale HFW unit construction
大型机床立柱
Column of the heavy machine tool
大型机动车
truck conspicuity marking