Ntoo Sleepers Txheej txheem cej luam
Ntoo sleepers, tseem hu ua ntoo ties los yog crossties, tau ib txwm siv thiab dav siv nyob rau hauv railway track infrastructure.
Khoom siv:
Cov ntoo pw tsaug zog feem ntau yog tsim los ntawm cov ntoo tawv xws li ntoo qhib, ntoo thuv, lossis lwm hom ntoo ruaj khov. Kev xaiv ntoo yog nyob ntawm yam xws li muaj, nqi, thiab lub neej xav tau ntawm cov neeg pw tsaug zog.
Muaj nuj nqi:
Lub luag haujlwm tseem ceeb ntawm cov ntoo pw tsaug zog yog muab lub hauv paus ruaj khov thiab theem rau kev txhawb nqa kev tsheb ciav hlau. Lawv ua lub hauv paus rau txoj kev tsheb nqaj hlau, faib cov khoom thauj ntawm cov tsheb ciav hlau hla mus rau hauv qab ballast thiab subgrade.
Qhov zoo:
Cov ntoo pw tsaug zog tau txais txiaj ntsig zoo rau lawv cov txiaj ntsig zoo, suav nrog tus nqi qis dua piv rau lwm cov ntaub ntawv, kev yooj yim ntawm kev teeb tsa, thiab kev yoog raws rau ntau yam kev tsheb ciav hlau.
