roadbed的意思|roadbed的解释-里氏词典

roadbed ['rәudbed]

n. 路基

roadbed

[ noun ]
a bed supporting a road
<noun.artifact>

Roadbed \Road"bed`\, n.
In railroads, the bed or foundation on which the
superstructure (ties, rails, etc.) rests; in common roads,
the whole material laid in place and ready for travel.

State engineers have made a preliminary finding that it was failure of the concrete columns, wrenched and separated from the double-decker roadbed, that was responsible for the collapse.
The corporations that built turnpikes smoothed out grades, bridged streams, and applied crushed stone to the roadbed in the form of a rounded crown in order to shed water.
A buried cable is the heart of the new system, most of it along a narrow, dead-end roadbed, the only way _ other than the river _ in and out of the 40-mile canyon.
Six were destroyed, one had major damage and four had minor damage inflicted by the train, flying dirt and rocks from the roadbed and the potash, a mineral used in making fertilizer and soap.

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