上QQ阅读APP看本书，新人免费读10天
设备和账号都新为新人
6.2 Power Supply
6.2.1 At least one dedicated circuit or two circuits of high voltage（medium voltage）power lines shall be designed for power supply of the production line.In case of two circuits of power supply，if one circuit fails，the other one shall be capable of powering the affected loads or all the loads.