However, now most of the military plotting is made by hand or semi-automaticoperation in a long cycle, difficult to be effectively modified and transferred, and takes a greater labor intensity.
The hydraulic machines are equipped with two electric control systems-relay and PLC, and three operation modes-mechanic, manual and semi-automatic.
本系列液压机具有继电器控制PLC控制俩种电气控制系统，有调整、手动及半自动三种操作方式。
3
Reasonable mating the automatic, semi-automatic and manually operated winding machine for operation can satisfy the requirement of products of different structure and accuracy.