Second, you go to the website of Suzhou, a famous city, and post the information of the book you want. It is estimated that someone will buy it for you, or if you go online, someone will sell it.
Third, go to Taobao and Yi Bei to see if there are any second-hand books, preferably from the same city! That's convenient for trading and can save the express delivery fee.
(1) What is the numerical control major?
Numerical control is a technology to realize machine tool processing automation with digital information.