Poly(butylenes terephthalate) (PBT) is one of the five important engineering plastics, which had been used widely in many fields.
聚对苯二甲酸丁二醇酯（PBT）作为五大通用工程塑料之一，其应用领域非常广泛。
Poly(butylenes terephthalate) (PBT) is one of the five important engineering plastics, which had been used widely in many fields.
聚对苯二甲酸丁二醇酯（PBT）作为五大通用工程塑料之一，其应用领域非常广泛。
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