管线管材质有:X42管线管、X46、X52、X60、X70、X80、X56管线管、L245NB管线管、L245、L290、L360、L360NB、L390、L415等 产品材质规格价格 X56管线管X56200*20.55469 X56管线管X5612*1205429 X56管线管X56100*206569
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