Dust cover and seal with double protection, isolated pollution.
采用防尘盖和密封圈双重保护，隔绝污染。
Double protection to the data was realized with right information table and database user.
使用权限信息表和数据库用户共同控制权限，对数据做了双层保护。
Automatic positioning of electric machine stop, double protection of cement output system.
电机停车自动定位，出胶系统双重保护。
Technology and application mode can provide double protection to turn commercial opportunities into reality.
商业机会的实现，需要依靠技术和应用模式的双重保障。
The trousers have double thickness knee panels for extra protection.
这条裤子上有双倍厚的护膝片以加强保护。
Low stripped strength; used for protection of label, adhesive tape and double side adhesive tape.
低剥离力；用于标签、胶带及双面胶带等的保护。
Low stripped strength; used for protection of label, adhesive tape and double side adhesive tape.
低剥离力；用于标签、胶带及双面胶带等的保护。
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