hard polyisocyanurate foamed plastics的意思|示意
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硬质聚异氰脲酸酯泡沫塑料
hard polyisocyanurate foamed plastics的网络常见释义
硬质异氰尿酸酯泡沫塑料 ... 软质聚氨酯泡沫塑料 flexible polyurethane foam 硬质异氰尿酸酯泡沫塑料 hard polyisocyanurate foamed plastics 聚酯泡沫 polyester form ...