SOAN

SOAN

 英

  • 網絡SPARC Open Access Newsletter; 索安文化; 旋

例句

As the relatively low strength of loess, large soan loess tunnel with large deformation after the excavation.

由于跨度黃土隧道開挖擾動變形較大加之形狀建設難度不言而喻

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