Although I didn't graduate from heavy engineering, the basic methods should be the same in all colleges and universities. I log in with your campus network account (our school uses a student number to surf the Internet. Due to the agreement of HowNet, users of Education Network log in to HowNet for free (depending on whether your school is a cooperative user of HowNet), then enter the library website of your school and choose the entrance of China HowNet. Do it. You can also try the library. Papers can also be consulted by computers in the literature retrieval area of the library.