drill steel

短语词组

短语

• drill pipe steel 钻杆钢
• drill l steel 钻钢
• drill pipe steel S135 S135 钻杆用钢
• Drill Capacity Steel 钻孔能力金属
• Drill And Steel Wire Gage 钻径及钢丝规
• Rock Drill Steel 凿岩钎钢;钎头;钎钢
• Tungsten Carbide Drill Steel 碳化钨硬质合金钢钎
• drill steel set 套钎子;钎子组
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