Antwort
Der war wohl "verpackt"
It is explained in the novelization of Terminator 2: Judgment Day and the text commentary from Terminator 2: Judgment Day DVD Extreme Edition, the T-1000 is wrapped in a cocoon made of living tissue that will allow an inorganic such as the T-1000, which is completely made of mimetic polyalloy, to travel via Time
https://terminator.fandom.com/wiki/T-1000#:~:text=It%20is%20explained%20in%20the,polyalloy%2C%20to%20travel%20via%20Time