检查电器控制线路并清洁其接触点，查看各气压，气阀；气动控制器是否正常。
Check the equipment controlling circuit and clean the contacting places. Check the pressure and valve, and if the pneumatic controller is working normally.
检查电器控制线路并清洁其接触点，查看各气压，气阀；气动控制器是否正常。
Check the equipment controlling circuit and clean the contacting places. Check the pressure and valve, and if the pneumatic controller is working normally.
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