Cold Drawn Seamless Yeeb Nkab
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Cold Drawn Seamless Yeeb Nkab
Cold Drawn Seamless as implied yog tsim los ntawm kev kos duab txias rau niam loj seamless yeeb nkab, uas feem ntau yog tsim los ntawm cov txheej txheem HFS. Hauv cov txheej txheem Cold Drawn Seamless, cov yeeb nkab niam yog rub los ntawm kev tuag & ntsaws rau hauv txias yam tsis muaj cua sov. Vim tias cov cuab yeej nyob sab nraud thiab sab hauv ntawm qhov chaw thiab kev kam rau siab yog qhov zoo dua hauv Cold Drawn Seamless. Thaum qhov no yog cov txheej txheem ntxiv dhau HFS, nws yog qhov tsim nyog kom tau txais cov kav dej me me uas tsis tuaj yeem tsim tawm hauv HFS. S...
