foamed coating 中文意思是什麼
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Using wasted ps foamed plastics to produce wall coating
利用廢舊泡沫塑料製造建築塗料 -
Standard of polyurethane foamed coating for buried steel pipeline
埋地鋼質管道硬質聚氨酯泡沫塑料防腐保溫層技術標準
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