A lathe is a machine tool for cutting metal from the surface of a roundwork fastened between the two lathe centers and turning around its axis.
一个车床是一种机床切削金属的外貌之间的一个圆的事变系两个车床顶心和围绕它的轴转动。
2
As to the valve controlled symmetrical cylinder, the method of approximately linearization of the model roundwork-point was used and applied classic PID theory to system to simulate.