The design scheme of synchronous control system on production's process of color plate is introduced. The design principles of synchronous control system on main driver is provided.
介绍了彩钢板自动生产线的主驱动变频同步控制系统方案，阐述了主驱动变频同步控制系统的设计原理。
2
One day the driver of a new bus came to the storehouse and found that there was no plate with the number of the route he had been assigned to ride.
某一天，一个新车的司机来到仓库，他发现没有一块牌上的号码是表示他要开的线路。
3
He will use a screw driver to remove the plate and screws.