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1.The pneumatic positioning relay is used to control the flow of air in a system.
气动定位继电器用于控制系统中空气的流动。
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2. The pneumatic positioning relay was designed to be easy to install and maintain.
气动定位继电器设计得易于安装和维护。
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3. The pneumatic positioning relay is an essential component of many industrial processes.
气动定位继电器是许多工业过程中不可或缺的组件。