Rails & Ties 车祸情缘 ; 开往幸福的列车 ; 脱轨亲情 ; 命运交叉点
Rails And Ties 铁轨和领带
Road bed is the subgrade on which are laid the ballast, ties and rails.
路基就是上面铺着道渣，枕轨和钢轨的底基。
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They spiked the rails to the ties.
他们把铁轨钉到枕木上。
Working around the clock since Saturday night, workers are replacing rails, ties and overhead wires at the site of Friday's derailment in Bridgeport, Conn.
WSJ: Metro-North Is Set To Restore Full Service Wednesday
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