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Track bed
01
トラックベッド, バラスト層
the layer of stones or other material on which the railway tracks are laid
track bed
n
例
Workers inspected the track bed for any signs of damage after the storm.
The quality of the track bed affects the stability of the trains.
Engineers studied the track bed to improve its durability and performance.
A new track bed was installed to support the high-speed rail line.
The train ran smoothly because the track bed was well-maintained.
