The cellphone window protecting screen has high impact strength, high scratch resistance and high safety, and the process has low production cost, high production efficiency and high product quality.
在超薄玻璃层上镀 覆超硬膜并贴合防裂膜，具有较高的附着力和抗划伤能力、抗冲击强度，明显降低生产成 本，产品的生产效率及良品率以及使用的安全性均得到有效提高。
Vaccine is a effective method to prevent and cure Helicobacter pylori infection, and it is most important for construction of Helicobacter pylori vaccine to screen out the protecting antigen.
疫苗是预防和控制传染病的有效途径，筛选出幽门螺杆菌保护性抗原是设计和构建幽门螺杆菌疫苗的关键。
Zinc is a natural insect repellent and sun screen. Protecting lips and skin.
锌是一种天然物，具有抗晒功能，能保护皮肤及口唇免受酌伤。
Zinc is a natural insect repellent and sun screen. Protecting lips and skin.
锌是一种天然物，具有抗晒功能，能保护皮肤及口唇免受酌伤。
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