The old driver teaches you how to drive an automatic car

The degree of fuel consumption between old drivers and new drivers who have years of driving experience is obvious. Because of the driving experience, novice commercial vehicle drivers know little about the performance of t

The development pace of CNC machine tools in China

China's CNC machine tools have made great progress in the "Sixth Five-Year Plan", "Seventh Five-Year Plan", "Eighth Five-Year Plan" and "Ninth Five-Year Plan". The technical level and quality have made great progress, especially the popular CNC ma