petroleum asphalt roofing felt的意思|示意

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沥青油毡


petroleum asphalt roofing felt的网络常见释义

沥青油毡 ... Petroleum asphalt admixture material 石油沥青混合料 petroleum asphalt roofing felt 沥青油毡 penetrometer of petroleum asphalt 石油沥青针入度测定仪 ...