求翻译：本系统中使用的气源必须是经处理的气源，保持气源的干燥、杂质等经过过滤处理；气源气路一次安装后必须吹干、吹净安装过程管路中混入的杂质、毛刺等赃物，一次气源出口均配有球阀出口，方便用气设备前二次气源处理设备用气。是什么意思？

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In this system is the source of the air must be the source of the air, and keep the dry air source, the particle filter processing, such as; air source air time must be after the installation of dry, clean installation process in the line of the unnoticeably impurities, and burrs, and stolen goods,