• Galvanised felt nails - used for fixing roofing felt with a large head to keep water out.

    镀锌认为钉子-用于固定屋面觉得我性我色我去干一个头部保持

    youdao

  • The quality index of PET staple fiber was defined according to production process and technical parameters of roofing felt.

    根据油毛毡基布生产工艺技术指标确定涤纶纤维质量指标

    youdao

  • The quality index of PET staple fiber was defined according to production process and technical parameters of roofing felt.

    根据油毛毡基布生产工艺技术指标确定涤纶纤维质量指标

    youdao

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