Txheej txheem cej luam ntawm European Standard S20 Steel Rail

European Standard S20 steel rail, tseem hu ua "S20 rail," yog tsim los rau lub teeb rail thiab tramway daim ntaub ntawv. Nws ua raws li European cov qauv, kom ua raws li cov kev cai zoo thiab kev nyab xeeb. Lub S20 kev tsheb ciav hlau nta lub zog tsis tau tsim, ua rau nws haum rau ntau lub nroog thauj mus los. Nws cov lus qhia tshwj xeeb txhawb kev thauj mus los zoo thiab nyab xeeb, tso cai rau nws hloov mus rau ntau hom kev teeb tsa hauv nroog ib puag ncig. Raws li cov chaw tsim khoom lag luam saum toj kawg nkaus ntawm kev kub ceev tsheb ciav hlau thiab cov khoom siv, GNEE rail tau ua kev zoo siab rau kev xa cov khoom lag luam ntawm tus nqi sib tw. Nrog ntau tshaj li ob xyoo lawm ntawm kev paub, peb tsom mus rau qhov zoo thiab cov neeg siv khoom txaus siab, muab ntau yam kev daws teeb meem. Peb txoj kev mob siab rau kev ua tau zoo tau ua rau peb muaj lub koob npe nrov thoob plaws tebchaws. Thov koj xav tiv tauj peb rau txhua qhov kev xav tau.