Should I negotiate my salary (new grad) ? 2 years of internship experience but first job upon graduation

Hi all, I am an engineering student graduating in a month and got a job offer today. I have 2 years of engineering internship experience at major companies(not at the one I got the job offer from) out of the 2 years, 1 year of experience in the same field as the job.

The salary I am offered is 5-6k less than what I expected and 4k less than the average salary of new grad engineers in the area. Should I negotiate ?

Can they revoke the offer if I ask for more and they do not want to pay that ? I am not sure what to do, it is a good company with offices worldwide.

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