接触岩石物理模型，石油储层预测，速度预测-contact rock physics model, reservoir prediction, rock physics velocity prediction

this program is used for S7-200. Program platform is ladder languages. Thie program control the 12 valve to shoot air into neck of cement kiln. -this program is used for S7-200. Program platform is ladder languages. Thie program control the 12 valv