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pennanent way | |||
bed | |||
road base | |||
ground works; ballast; bank | |||
base of road; basement soil; ground work; permanent way | |||
subgrade; roadbed; road bed; subbed; substruction; substructure | |||
baseband | |||
base course; body of road; foundation for road; main body of road; pavement bed; road pavement bed; surfacing foundation | |||
groundwork | |||
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subgrade | |||
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earth structures; geotechnical structures | |||
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bed | |||
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bed | |||
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subgrade |
路 基: 620 phrases in 30 subjects |