中英▼

  • The general situation of market and development trend of PVC resin at home and abroad were introduced.

    介绍了世界及我国PVC树脂的市场概况及发展趋势。

    youdao

  • The general situation of market and development trend of PVC resin at home and abroad were introduced.

    介绍了世界及我国PVC树脂的市场概况及发展趋势。

    youdao

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