Kev xaiv cov khoom siv raw muaj feem cuam tshuam loj heev rau tus nqi ntawm cov khoom siv txhuas. Qhov zoo ntawm cov khoom siv txhuas ntau npaum li cas, tus nqi yuav kim dua. Piv txwv li, ib daim ces kaum: daim ces kaum uas raug nrum nrogcov khoom siv raw zoomuaj qhov nyuaj siab thiab ci ntsa iab, thiab nws tsis yooj yim tawg lossis tawg. Cov khoom siv kaum sab xis uas siv cov khoom siv tsis zoo muaj lub zog carat tsis zoo thiab feem ntau tawg lossis tawg.
Cov txheej txheem thiab thev naus laus zis ntawm kev ua cov khoom kuj yog ib qho tseem ceeb los txiav txim siab tus nqi ntawm cov khoom siv txhuas profile.Kev siv tshuab zootuaj yeem ua kom qhov du thiab lub neej ua haujlwm ntawm cov khoom nto, yog li tus nqi yuav siab dua. Txawm li cas los xij, cov khoom siv aluminium profile uas siv cov thev naus laus zis tsis zoo tsis tsuas yog muaj lub neej ua haujlwm luv luv xwb, tab sis kuj muaj qhov chaw ntxhib, txawm tias burrs lossis notches, thiab qhov cuam tshuam tag nrho tsis zoo heev. Yog li ntawd, tus nqi yuav qis dua li cov khoom siv tes ua zoo.
Lub sijhawm tshaj tawm: Lub Ib Hlis-13-2024