For design of high earth filling culvert of high-type highway, the key is the design of its foundation.

高等级公路高填土涵洞的设计，关键是基础设计。

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For design of high earth filling culvert of high-type highway, the key is the design of its foundation.

高等级公路高填土涵洞的设计，关键是基础设计。

youdao