New type sealing box structure has good sealing, fine appearance, convenient and fast installation and adjustment.
新型分体式拉丝盒结构，密封性能好，外形美观，安装调试更方便、快捷。
The utility model is a new type of element for electrical home appliance and is of simple structure, convenient installation, and wide use.
是一种结构简单，安装 方便，应用广泛的新型家电元件。
The structure compositions of a new type of hydraulic driving pumping oil installation and the working principle of its hydraulic driving system are introduced.
介绍了新型液力抽油装置的组成及液压驱动系统的工作原理，该装置综合了液压有杆抽油装置和水力活塞泵抽油装置两方面的优点。
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