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聚碳酸酯是生产硬塑料水瓶(太空杯)时普遍采用的化学材料,该材料中有一种主要物质为双酚A,简称BPA。BPA固然给人们带来方便,但美国和加拿大的一些专家指出,它会对
Polycarbonate is widely used in the production of hard plastic water bottles (Space Cups). One of the main materials in this material is bisphenol A (BPA). Although BPA brings convenience to people, some experts in the United States and Canada point out that it will