polyesterol聚酯多元醇polyestern.聚酯；涤纶polyester polycondensation聚酯缩聚polyester resin production聚酯树脂生产polyester cotton core yarn涤棉包芯纱polyester ready mixed paint聚酯调和漆POLYESTER YARN IN STOCK LOT叙利亚求购库存涤纶纱polyester base x-ray film涤纶(纤维)片基X线胶片, 聚酯纤维片基X线胶片polyester glass fiber sheet聚酯玻纤布polyester honey comb taslan涤纶蜂巢塔丝隆polyester/polyamide duck聚酯／聚酰胺帆布polyester film coated paper聚酯薄膜纸