20 元券50009781806309108UnderstandingProgramming¥3080去看看中国国际图书专营店发布了[预订]PLC Programming Using RSLogix 5000: Understanding Ladder Logic and the Studio 5000 Platform 978180630910820 元券50009781806309108UnderstandingProgramming¥3790去看看澜瑞图书专营店发布了【4周达】PLC Programming Using RSLogix 5000: Understanding Ladder Logic and the Studio 5000 Platform [9781806309108]