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6ES72881ST400AA0MARTCPU ST40 6ES7288-1ST40-0AA0原装
西门 S7-20 S0MARTCPU SR60模块子E 6S7288-1SR60/1ST6ES7288160-
¥6ES72881ST400AA0西门子MARTCPU ST40 6ES7288-1ST40-0AA0原装