flat bottom railの例文

例文

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1. These were connected to the mill via lightly laid tramways using bridge and flat bottom rail.
2. The track was laid with flat bottom rails weighing 50 to 60 lbs per yard spiked directly to the sleepers.
3. The tramway was relaid with flat bottom rails on wooden sleepers allowing a locomotive to be used on the line to Stepaside.
4. The caissons ran on a railway track of gauge with flat bottom rails on longitudinal timbers, on a gradient of 1 in 10.
5. Many railways preferred a flat bottom rail section, where the rails could be laid directly on the sleepers, representing a marked cost saving.