steel shot drilling  钢砂钻井; 钢珠钻探; 钢珠钻孔

Cast-Steel Shot  钢砂

Comminuted Steel Shot  钢粉

drilling steel  钻钢; 钢钎; 钎钢; 钻头

high carbon cast steel shot  高碳铸钢丸

high carbon east steel shot  高碳铸钢丸

mould steel steel material  型材

rock drilling steel rod  凿岩钎杆

sectional steel drilling  接杆钻眼

Stainless Steel Steel Clad Plate  不锈钢-钢复合板

Stainless Steel-steel  不锈钢─钢复合板

steel shot  钢球; 钢砂; 钢粒; 钢丸; 铸钢丸; 钢珠

steel shot abrasive  钢砂; 钢砂磨粒

Steel Shot Boring  钢珠钻探

steel steel pair  钢-钢摩擦副

steel steel structure equipment  钢结构

steel-steel brazed component  钢-钢钎焊件

steel-steel friction pair  钢-钢摩擦副

steel-steel frictional pair  钢-钢摩擦副

steel-steel pair  钢-钢摩擦副