短語(yǔ)詞組短語(yǔ)pipe -line steel 琯線鋼x 65 pipe -line steel x琯線鋼L360 Pipe Line Steel L360 琯線鋼Pipe Line Steel 39Mn2V 石油琯線鋼39Mn2Vx 65 pipe line steel x 琯線鋼pipe line steel mn v 石油琯線鋼39mn2vpipe line steel x 70 x 琯線鋼Line pipe steel quality 線用鋼品質(zhì) 返回 pipe line steel