Drill Pipe For Oil Field的意思|示意
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油田用钻杆
Drill Pipe For Oil Field的网络常见释义
石油钻探杆 ... 镀锌焊 多功能微耕机 管Galvanized Welded Pipe 石油钻探杆Drill Pipe For Oil Field 铸铁管Cast Iron Pipe ...
酒精钻探杆 ... 镀锌焊管Galvanized Welded Pipe 酒精钻探杆Drill Pipe For Oil Field 生铁管Cast Iron Pipe ...