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高性能聚氨酯PIR夹芯板,用于冷藏室和酒店的隔热材料,由钢材制成High-Performance Polyurethane PIR Sandwich Panel for Thermal Insulation for Cold Rooms and Hotels Made with Steel Material
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高性能聚氨酯PIR夹芯板,用于冷藏室和酒店的隔热材料,由钢材制成High-Performance Polyurethane PIR Sandwich Panel for Thermal Insulation for Cold Rooms and Hotels Made with Steel Material
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