Roadbed anti-softening structure
The utility model discloses a roadbed anti-softening structure which comprises a base layer, an anti-sloughing layer is arranged at the top end of the base layer, an anti-seepage layer is arranged at the top end of the anti-sloughing layer, a water seepage layer is arranged at the top end of the ant...
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Format: | Patent |
Sprache: | chi ; eng |
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