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本文阐述了山东产钴机的三则故障的排除经过。1.卡源;2.钴源已回位但指示灯不亮;3.空气压缩机
This article elaborates the exclusion of the three faults in Shandong cobalt production machine. 1. Card source; 2. Cobalt source has been back but the light does not light; 3. Air compressor