Tam sim no lub Hoobkas tab tom tsim cov disc insulators thiab Anti-pollution (ob-shed) insulators, thiab ntau lawm voj voog yog hais txog ib lub hlis.
Npaj dej glaze
Ntsuas cov khoom tsim nyog raw khoom los ntawm cov khoom siv hluav taws xob raws li cov txheej txheem yuav tsum tau ua, sib tov cov ntaub ntawv raw, thiab tom qab ntawd sib tov cov ntaub ntawv raw khoom sib npaug los xyuas kom meej qhov zoo thiab qhov ua kom zoo ntawm cov slurry.
Post lub sij hawm: Dec-06-2021