-
Heavy Industrial Rail Track Siv Rail Hlau Lub Ntsiab Ntawm Txoj Kev Tsheb Ciav Hlau thiab Khiav Circuit Court Q275 20Mnk Rail Steel
Hlau railsyog cov tuav ntev ua los ntawm cov hlau uas siv los ua cov lem ntawm cov tsheb ciav hlau thiab lwm cov tsheb ciav hlau khiav. Lawv feem ntau yog tsim los ntawm cov hlau zoo uas muaj peev xwm tiv taus cov khoom hnyav thiab hnav dhau lub sijhawm ntev. Steel rails muab ib tug du thiab ruaj khov nto rau tsheb ciav hlau mus raws thiab yog ib qho tseem ceeb ntawm cov railway infrastructure. Lawv raug tsim los kom meej qhov ntev thiab ua raws li kev tswj xyuas zoo los xyuas kom meej lawv cov kav ntev thiab kev nyab xeeb.