Lus piav qhia luv luv:
Lock Forming Machine (xws li Windlass Pob Txha Tshuab) yog cov khoom siv dav tshaj plaws thiab cov khoom siv niaj hnub siv hauv kev tsim cov cua tshuab.Txawm li cas los xij, peb cov khoom tau raug txhim kho raws li kev tsim khoom ib txwm muaj, thiab ntau tus neeg siv khoom-taw qhia, tau nkag mus rau hauv qhov kev hloov pauv tsis siv neeg hla cov haujlwm sib txawv, uas tuaj yeem tshem tawm tag nrho cov teeb meem hauv phau ntawv hloov cov menyuam.Qhov ntawm ...