PDP等离子屏幕保护贴膜。
结论浅静脉留置针保护贴膜每天更换并不能减少并发症的发生，应视患者情况而定。
Conclusion Venous Indwelling Needle protection foil changed every day and not reduce the incidence of complications, should be considered in patients with conditions.
在拿到P C板的时，首要需要看产品的包装，看产品的保护膜贴的是不是无缺。
When get the PC board, first need to see the product packaging, see whether the protective film of product.
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