Answer: The system composed of equipment that generates, processes and stores compressed air is called the air source system. A typical air source system usually consists of the following parts: air compressor, rear cooler, filter (including pre-filter, oil-water separator, pipeline filter, oil removal filter, deodorization filter, sterilization filter, etc.), pressure-stabilizing gas storage tank, dryer (refrigeration or adsorption type), automatic drainage and sewage device, gas pipeline, pipeline valves, instruments, etc. The above equipment is combined into a complete air source system according to the different needs of the process flow.