Material: special polyvinyl chloride (PVC) film, rub.
材质：特殊聚氯乙烯膜、橡皮胶。
The cold resistance is an important property of soft polyvinyl chloride (PVC).
耐寒性是软质聚氯乙烯的重要性能指标之一。
The biocompatibility of polyvinyl alcohol is good, and the medical material is highly valued.
聚乙烯醇的生物相容性良好，得到了医疗材料的高度重视。
The biocompatibility of polyvinyl alcohol is good, and the medical material is highly valued.
聚乙烯醇的生物相容性良好，得到了医疗材料的高度重视。
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