唐山某煤矿污水站电气设计项目资料，包含电气图纸，PLC备份，上位机程序（S7300+组态王）是新手学习西门子编程通信的好帮手-Tangshan sewage station electrical design of a coal mine project includes electrical drawings, PLC backup the host machine the program (S7300+ Kingview) is a good helper for novice learni