Txoj moo

Dab tsi yog txoj kev tsheb nqaj hlau

Rail ntaub qhwv, lossis cov tsheb ciav hlau roj hmab, yog cov khoom siv kom txo qis dua kev sib tw los ntawm cov ntsia mus rau lub sleeper lossis subgrade.

Gnee Rail Rail Clips cia muag

Rail clip yog ib feem ntawm kev tsheb nqaj hlau ua kom ceev ceev. Nws yog siv los kho cov ntsia hlau kom tsis txhob muaj zog hauv paus thiab cov neeg tsaug zog. Nws lub ntsiab muaj nuj nqi yog los ...

8 hom kev tsheb ciav hlau loj ceev ceev cov tshuab

Txoj kev tsheb nqaj hlau fastening yog ib feem tseem ceeb ntawm kev tsheb ciav hlau cov qauv tsim muaj ntau cov kab hlau rockeners (otm cov ntaub ntawv). Nws lub luag haujlwm tseem ceeb yog kom kho...