This paper introduces a high - precision , closed - loop and automatic checking marks control system based on at89c51 摘要该文介绍了基于at89c51单片机的高精度闭环自动对花控制系统。
In automatic check modular down , carriage by means of low speed tread shih , arresting look on every line tie point just used to and negate 在自动检查模数下,车箱以低速行走时,可观看各线路接点正常与否