1975年,我刚刚迈进新技术推广工作的门槛,那时机床的维修与改造工作的主力军是工厂里的机修车间,车间只是负责机床的修理工作,机床坏了给它修理好,能工作就成了。如果能给机床加上个数显表或者加上一个光栅尺,这就叫简易数控机床,简易数控也是数控,那是高科技,是技术革新重要成果,如果 In 1975, I just stepped into the threshold for the promotion of new technologies. At that time, the main force in the maintenance and renovation of the machine tool was the mechanic workshop in the factory. The workshop was only responsible for repairing the machine tool. The machine tool was broken and repaired. Has become. If you can add to the machine with a digital display or add a grating ruler, which is called a simple CNC machine, CNC is also a numerical control, it is high-tech, is an important achievement of technological innovation, if