overtravel meaning in Chinese

扳恍程过长
超行程大移动再调整
过调超程
越层

And a brake motor is adopted as a towing device of the elevating equipment . the speed governing of the motor is done by stepless speed regulating , which is a energy - saving frequency converting method . besides , interlock and overtravel - limit switch are used in the electric equipment to ensure the safe operation of the stage machinery equipment , in window2000 operating system , the development of the whole controlling system can be accessed with " c + builder "
设计中选择了pc总线工业控制机和可编程序控制器作为控制系统的主机，设计了两个独立的系统分别控制升降舞台和升降乐池，采用了制动电机作为舞台升降的拖动装置，电机的调速方法选择了可以无级平滑调速、经济节能的变频调速方法，并在电气上采用互锁和行程开关来保证舞台机械设备的安全运行。