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我国四大干线之一的京哈线,1996年实施更换提速道岔,5月4日在绕阳河站的7#岔位上,锦州铁路分局首先采用大断面木岔枕道岔,铺设了1组60kg/m钢轨12#可动心轨提速道岔,至1997年9月已累计铺设了6个站的52
Jingha line, one of the four main lines in our country, implemented the replacement speed-raising turnout in 1996. On May 4, at the 7 # fork in the Yangyanghe station, Jinzhou Railway Branch first adopted a large section turnout with turnout and laid a set of 60kg / m rail 12 # movable rail speed switch, to September 1997 has been the laying of a total of 6 stations 52