You also need a utility class for creating appropriate URLs in your feed.
您还需要使用一个实用类在提要中创建相应的URL。
Next, policy and signature are generated with the utility class we built.
接下来，我们所创建的工具类会创建策略和签名。
Building the model and utility class.
构建模型和实用程序类。
Create data classes and a utility class for getting an EntityManager instance.
创建数据类和一个实用类来获取EntityManager实例。
A nice utility class for quick manipulations.
这是一个很好的工具类，用于快速操作。
The utility model discloses a pen rack for drawing, belonging to a stationery class.
绘图笔架这一实用新型属于文具类。
The utility model belongs to the machine tool equipment class.
本实用新型属于机床设备类。
The utility model relates to a machine which belongs to the class of metal cutting.
本实用新型属于金属切削类机械。
The utility model relates to a machine which belongs to the class of metal cutting.
本实用新型属于金属切削类机械。
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