Cryogenic kua yog cov khoom uas khaws cia ntawm qhov kub thiab txias, feem ntau qis dua -150 degrees Celsius. Cov kua dej no, suchjson.Queue li kua nitrogen, kua helium, thiab kua oxygen, yog siv ntau yam kev lag luam, kev kho mob, thiab kev tshawb fawb applicati...
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