Khoom Taw Qhia
1. Qhov no hloov cov kabmob ntaus cov kabmob uas rub nrog pob nuv, kub ce quenching, siab hardness, yooj yim siv.
2. Qhov kev kho cua sov tag nrho nyuaj yog qhov tseem ceeb.
3. Khaws cov noob txiv hauv qab thaum txhim kho.
TianQin cov cuab yeej tau cog lus rau kev tshawb fawb thiab kev txhim kho tes cuab yeej rau ntau tshaj 21 xyoos. Hloov pauv cov kabmob ntaus yog ib qho ntawm peb cov khoom tseem ceeb. Peb yuav txuas ntxiv txhim kho peb tus kheej thiab coj cov neeg siv khoom siab siab- cov khoom lag luam zoo, txhim khu kev qha cov nqi. Ua tsaug rau pem ntsoov los tsim kom muaj qhov ntev- lub hom phiaj sib koom tes nrog koj.
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