YZ roj hmab-sheated cable, raws li ib hom hlau thiab cov khoom lag luam cable, muaj cov txiaj ntsig zoo hauv qab no
(1) yooj yim: cov txheej txheej sab nraud ntawm cov khoom siv roj hmab, uas tau muab cov khoom siv roj hmab, yooj yim ntawm cov cable thiab sib tham txog qhov yuav tsum tau ua
Qee zaus nyob qhov twg ntau zaus khoov thiab txav tshwm sim .
(2) Hnav tsis kam: cov roj hmab sheath tuaj yeem ua kom muaj kev tshem tawm lub neej ntawm cable, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig uas nquag txav thiab kev sib txhuam yog qhov tsim nyog.
(3) Corrosion Kuj: cov khoom siv roj hmab muaj cov yaig zoo heev thiab tuaj yeem tawm tsam cov tshuaj yaig, ua rau lawv haum rau cov dej tsis zoo.
