本压缩包包含（1、可编程控制器的编程指令2、运料小车控制模拟3、相鼠笼式异步电动机星/三角换接启动控制4、四节传送带的模拟）-This compressed package contains (1, 2 programmable controller programming instructions, material transport car control simulation 3-phase Squirrel Cage Induction Motor Star/Delta Start Control for 4 then, four belts of simulation)