DMK5W DMK10W DMK20W tuag txiv neej cov khoom siv wired ntoo cag pob ntiaj teb thauj tog rau nkoj cov khoom siv hauv paus pob kho qhov system

Qhov twg cov ntoo raug teeb tsa nyob rau hauv ib puag ncig hauv nroog, yuav tsum tau saib xyuas kom tsis txhob muaj kev siv hluav taws xob thiab kev pabcuam thiab yog li ntawd tsis tas yuav tsav tsheb thauj mus los rau hauv av. Cov khoom siv hluav taws xob tua neeg siv cov khoom siv siab tensile tshaj cov roj hmab rootball tiv thaiv kom kis tau lub nra thiab tiv thaiv kev puas tsuaj. Cov no yog tom qab ntawd txuas rau cov khoom hnyav xws li cov neeg pw tsaug zog thiab kerbstones kom hnyav rau tsob ntoo. Zoo comphacted subsoil yog ces muab tso rau saum lub sleepers thiab kerbstones muab ntxiv hnyav thiab ruaj ntseg rau tsob ntoo.