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1, -185 ℃ ultra-ntev tob txias kev kho mob, yog li ntawd yuav luag tag nrho cov koom nrog austenite hloov mus rau martensite;
2, Cov nag lossis daus ntawm nanoscale carbide particles, ua rau kom muaj zog thiab tawv;
3, Txo qhov kev koom tes ntawm kev ntxhov siab, kev hnav tsis kam zoo dua;