polyestersn.多元酯名词polyester的复数形式.polyestern.聚酯；涤纶polyester indanthrene[化] 聚酯士林polyester film drawer聚酯薄膜拉伸机polyester fiber blend聚酯纤维混合polyester filter gauze涤纶过滤绸polyester spinning oil涤纶纺丝油polyester raw material聚酯原料Polyester Size Mixture聚酯浆料polyester monofilament聚酯单丝polyester staple fiber聚酯短纤维polyester cutting film红膜