Xov Xwm Tuam Txhab
Coj koj mus rau qhov zoo ntawm cov khoom noj concave thiab convex zippers
2024-11-01 IB
Hauv kev ntim khoom noj niaj hnub no, concave-convex zippers, raws li lub tshuab sealing tshiab, tau maj mam dhau los ua qhov tseem ceeb hauv kev txhim kho kev ntim khoom yooj yim thiab ua kom cov zaub mov tshiab. Qhov kev tsim no tsis tsuas yog ua rau lub hnab ntim tau yooj yim qhib thiab kaw dua, tab sis kuj tseem ua rau lub neej txee ntawm cov zaub mov, txo cov khoom noj khoom haus, thiab muab kev paub zoo rau cov neeg siv khoom.