The underground railroad in line with the track, hole construction after the rail top elevation is not easy to adjust, so the construction of the rail top accuracy requirement is very high, therefore in the track before the construction of setting track-laying base.
Introduction to the Rail Line Laying Base Standard Setting
Advanced Materials Research ; 1065-1069 ; 2278-2281
2014-12-11
4 pages
Article (Journal)
Electronic Resource
English
Curve , Mark , Settings , Track-Laying , Base Standard
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