cov khoom

piav qhia luv luv:

Cov khoom no yog siv los tsim JS ib qho kev tiv thaiv dej tsis zoo, Cov txheej txheem dej tsis muaj dej uas tsim nrog nws yog ntsuab, tsis muaj tshuaj lom, tsis muaj mob thiab tsis muaj kuab lom. Ceev kom qhuav ceev, ua kom lub sijhawm siv sijhawm luv luv; JS cov txheej txheem dej tsis zoo tuaj yeem ua rau hauv qhov chaw ntxhib, Tsis xav tau txheej tiv thaiv; Nws muaj cov dej ua haujlwm zoo; tuaj yeem siv rau lub sijhawm ntev immersion ib puag ncig; JS waterproof txheej muaj zog aging kuj, siab thiab kub tsis kam, khov thiab thawing kuj, thiab muaj peev xwm tiv thaiv steel tuav los ntawm corrosion. .JS waterproof txheej kev tsim kho yog yooj yim, tuaj yeem tsim rau ntawm lub hauv paus ntub dej thiab daim ntawv cog lus muaj zog, tuaj yeem kho tau, choj zoo tawg.