phenolic-aluminium foil compound airduct的意思|示意
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酚醛铝箔复合风管
phenolic-aluminium foil compound airduct的网络常见释义
酚醛复合风管 ...济分析-bokee.net 关键词： 酚醛复合风管 中央空调 技术经济比较 [gap=421]Keywords: phenolic-aluminium foil compound airduct, central air-conditioning system, economic and technical comparison..