The component has simple structure and reliable motion by using hydraulically powered swinging townet rods to drive the townet.
这一组件采用液压驱动的摆动网杆带动拖网，结构简单，动作可靠。
Its pressure is moderate, with a simple structure and reliable operation.
它压力适中，结构简单，运行可靠。
Its advantages are simple structure and reliable close-preventing performance.
本阀结构简单、防关性能可靠。
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