铁路线

railroad line───铁路线

railway lines───铁路线；轨道线

load lines───n.（船舶的）载重线

railroad cars───有轨电车

railroad worms───铁路蠕虫

railroading───n.铁路建设；仓促行事；v.由铁路运输；乘火车旅行（railroad的ing形式）

railway line───铁路线；轨道线

railroad crossings───铁路穿越；铁路公路交叉道口；铁路平交道

railroad tracks───铁轨；铁路轨道

Railroad lines are regularly checked, in fact, and well maintained.───事实上，铁路线会受到定期检查，并且被很好地维护。

The large gains in grain acreage and the spread of railroad lines made western growers more than competitive with eastern growers.───耕种面积的大幅增加和铁路的扩展使得西部的农民比东部更有竞争力。

Of course, the railroad lines made a routine checkup and the police looked into the case.───当然，铁路方面做了次例行检查，警察也参与调查了这件事。

Railroad lines needed to create schedules for departures and arrivals, but every city had a different time!───铁路线也必须设立正确的火车抵达与出发时刻表，但是每个城市的时间都不一样，那该怎么办呢？

South Korean government officials for weeks have speculated about it, citing preparations along railroad lines monitored by satellites.───韩国政府官员对此曾有过数周的猜测，理由是卫星监测到了铁路沿线的准备情况。

Construction Technique of Column -slab Anchored Bulkhead Used in Existing Railroad Lines───既有线柱板式锚杆挡墙施工技术

the railroad lines across america transport tons of goods from the east coast to the west───美国横跨大陆的铁路把大量的货物从东海岸运到西部。

Thousands of miles of old railroad lines have been converted to trails.

The mid-century expansion of railroad lines ended the regular usage of the Conestoga wagon to haul heavy freight, and by the outbreak of the Civil War in 1861 they were no longer being manufactured.

The large gains in grain acreage and the spread of railroad lines made western growers more than competitive with eastern growers.

Heavy rain halted five railroad lines in the Tokyo area.

Within a few years, railroad lines bridged the nation, moving people and goods into unsettled territories.